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  • Major Rivers in India

    21st May 2021

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  • Couldn’t clear mains? Let us prepare to Smash Mains 2021: New Batch | Invite only program (only 5 seats remaining)| Enroll here

    Couldn’t clear mains? Let us prepare to Smash Mains 2021: New Batch | Invite only program (only 5 seats remaining)| Enroll here

    The Batch of Smash Mains Program will start from 30th May. This is an invite-only program and has a success rate of more than 80%.

    To enroll click here.

    How Smash Mains 2021 will progress?


    Dear Students,

    We understand what it feels like to get so close to clearing the exam but eventually not making it. The feeling is dreadful. But don’t be shattered by failures, don’t let them slow you down. Team Civilsdaily will ensure that your LBSNAA dream is fulfilled.

    We are announcing the start of the batch of Smash Mains 2021.

    The result of Smash Mains 2020 has been exceptional. Out of 50 students enrolled in the first batch. 40 Gave the Mains exam and out of them, 32 qualified for the interview round. Thus the success rate of Smash mains 2020 was 80%. Thus the chances of getting through the mains stage increase by 4 times for students enrolled in Smash Mains Program.

    About Smash Mains 2021

    Smash mains is a highly personalized and intensive handholding program for the crème-de-la-crème (veterans) amongst UPSC aspirants (the intake is 50 students).

    Note: The Entry Restricted to those who have given mains in the past 2 years and have failed to score high marks.

    It’s a three-phased program under personalized guidance by Sajal sir. The focus is on identifying and highlighting the issues with your preparation (information / analysis / utilization). According to your strength and weaknesses, a tailor-made strategy is developed. And it is worked on under Sajal sir’s strict monitoring, aiming for incremental improvements every day, after every session with Sajal sir.

    Sajal sir’s marks in UPSC 2017 GS Mains paper were:

    • GS Paper 1 – 132
    • GS Paper 2 – 125
    • GS Paper 3 – 130

    Program inclusion:

    1. One-to-One mentorship by Sajal sir.
    2. Mains Test Series – 4 sectional and 12 FLTs
    3. Samachar Manthan – For holistic and comprehensive coverage of Current Affairs (without answer writing)
    4. Decimate Prelims Crash Course
    5. Prelims Full-Length Tests – To prepare you for prelims (8 FLTs and 10 Current affairs)
    6. Exclusive membership to Smash Mains group in Civilsdaily’s Habitat.

    The fact that you have been missing the cut-off with a small margin (repeatedly) tells that there are some fundamental issues with your approach. The answers to which you might or might not have. For bringing the change you have to work upon its execution as well. (Realization is not enough). And bringing that to fruition is not possible in isolation. Now onwards, it should be a guided process under a meticulously designed plan.

    It is all about redesigning the machinery which is unable to convert your knowledge and analysis into marks in Mains. And you know it – Fewer marks in mains, very low chances of seeing your name in the final list.

    What makes Smash Mains unique?

    Individual attention and approachability are the USPs of this program.

    Not putting Penguins among the Fowls – You already know how to write an average answer (you’re missing it by a few marks actually). You want to know how to increase your score from 90 to 110-115. The approach followed by other institutes in their Test series is the same for a veteran and a complete newbie and here lies the problem. Without personalized one-to-one interaction with someone like Sajal sir (who has scored these awesome marks), it will be difficult for you to rectify these minute yet very important shortcomings.

    Evaluation is a strength of this program and we put it on a high priority. Sajal sir himself is involved in the process, unlike other institutes where evaluation is outsourced to those who themselves might not have appeared for mains (It’s bizarre). It shouldn’t be based on ‘model answers’ as there are 3-4 ways of approaching an answer. Only a seasoned player will be able to go beyond these model answers and be able to appreciate your approach (If it’s innovative) even if it differs from the model answers provided.

    Test copies get checked in a time-bound manner. The questions, answers and material provided are of the highest quality.

    Always on time and insightful discussions end with a reality check and motivation to perform better in the next test.

    Emphasis on execution and utilization of knowledge – Mains is not only about knowledge but the way you express the relevant knowledge in the most optimum manner.

    Sajal sir’s interventions are highly specific and not generalized. Sitting right in front of you he walks you through each and every question. Always there, he will not let you lose your focus.

    We deliver what we promise.

    Progression of Smash Mains 2021:

    Phase 1: June

    Identifying the fundamental flaws in your Answers. Working on them with Sajal sir.

    Phase 2: June-July

    Prelims- This is the first hurdle. Decimate Prelims course will be provided here. We’ll work on strategy and the way to attempt a prelims paper here. Detailed scrutiny of your prelims papers will be done via 1-1 personalized settings – Are you risk-averse or risk-taker, whether you are using (Tikdams), silly mistakes made, whether you are getting the factual questions wrong.

    Phase 3: October onwards

    After Prelims- Mains Test series each followed by one-to-one detailed and in-depth interaction with Sajal sir. Final refinements are done in this phase. Value addition material, as well as pointers, will be provided here. We will work with you to ensure you have enough material for value addition. Our focus will be on providing tips that add the missing X factor to your answers.

    What our students have to say about Smash Mains?

    Read this answer here. Other answers here

    The Batch of Smash Mains Program will start from 30th May.

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  • ISRO and its Missions/Important Submarines in News

    20th May 2021

    1.RISAT-2B: An all-seeing radar imaging satellite

    • The PSLV-C46 is set to launch RISAT-2B from Satish Dhawan Space Centre in Sriharikota.

    RISAT Constellation

    • RISAT-2B, short for “Radar Imaging Satellite-2B”, is the second in a series of satellites used to observe weather conditions on Earth using radar imagery.
    • RISAT-2 was the first satellite in the series, launched for the purpose of surveillance. RISAT-1 was launched later, to become India’s first all-weather radar imaging satellite.
    • RISAT-2B is to be followed by RISAT-2BR1, 2BR2, RISAT-1A, 1B, 2A and so on.
    • ISRO orbited its first two radar satellites in 2009 & 2012 and it plans to deploy four or five of them in 2019 alone.
    • A constellation of such space-based radars means a comprehensive vigil over the country.
    • Once operational, the satellite will be capable of monitoring weather day and night, in all weather conditions.

    2.Phase 4 of Geosynchronous Satellite Launch Vehicle (GSLV)

    • The Union Cabinet has approved ongoing GSLV continuation programme Phase-4 consisting of five GSLV flights during the period 2021-2024.
    • The will enable the launch of 2 tonne class of satellites for Geo-imaging, Navigation, Data Relay Communication and Space Sciences.
    • It will meet the demand for the launch of satellites at a frequency up to two launches per year, with maximal participation by the Indian industry.

    About GSLV

    • GSLV Continuation Programme was initially sanctioned in 2003, and two phases have been completed and the third phase is in progress and expected to be completed by Q4 of 2020-21.
    • GSLV has enabled independent access to space for 2 tonne class of satellites to Geosynchronous Transfer Orbit (GTO).
    • One of the significant outcomes of the GSLV Continuation Programme is the mastering of the highly complex cryogenic propulsion technology, which is an essential technological capability to launch communication satellites to GTO.
    • This has also paved the way for the development of a high thrust Cryogenic engine & stage for the next-generation launch vehicle i.e. GSLV Mk-lll.
    • With the recent successful launch of GSLV-F11 on 19th December 2018, GSLV has successfully orbited 10 national satellites.
    • GSLV with the indigenous Cryogenic Upper Stage has established itself as a reliable launch vehicle for communication, navigation and meteorological satellites and also to undertake future interplanetary missions.

    3.Mission Shakti (Anti-Satellite Missile Test)

    • In an incremental advance, India has successfully conducted an Anti-Satellite (ASAT) missile test, named Mission Shakti.
    • India becomes the fourth country in the world to demonstrate the capability to shoot down satellites in orbit.
    • So far, only the United States, Russia and China have this prowess.

    Mission Shakti

    • While Mission Shakti may have targeted an object in outer space, India has long developed the ability to intercept incoming missiles.
    • In 2011, a modified Prithvi missile mimicked the trajectory of a ballistic missile with a 600-km range.
    • The DRDO-developed Ballistic Missile Defence (BMD) Interceptor Missile successfully engaged an Indian orbiting target satellite in Low Earth Orbit (LEO) in a ‘Hit to Kill’ mode.
    • The interceptor missile was a three-stage missile with two solid rocket boosters.

    4.Young Scientist Programme (YUVIKA)

    Young Scientist Programme

    • ISRO has launched a special programme for School Children called “Young Scientist Programme” “YUva VIgyani KAryakram from this year.
    • The Program is primarily aimed at imparting basic knowledge on Space Technology, Space Science and Space Applications to the younger ones with the intent of arousing their interest in the emerging areas of Space activities.
    • The residential training programme will be of around two weeks duration during summer holidays and it is proposed to select 3 students each from each State/ UTs to participate in this programme covering state, CBSE, and ICSE syllabus.
    • Those who have just finished 9th standard (in the academic year 2018-19) and waiting to join 10th standard (or those who have started 10th Std just now) will be eligible for the programme.
    • The selection will be based on the 8th Std marks.
    • Students belonging to the rural area have been given special weightage in the selection criteria.

    5.PSLV-C45/ Emisat Mission

    • For the sheer number of ‘firsts’ to its credit, the scheduled PSLV-C45/Emisat mission scheduled will be a memorable one for the ISRO.

    PSLV-C45/Emisat

    • C-45, which is set for lift-off from the second launchpad at Sriharikota, will mark the 47th flight of the PSLV.
    • It is meant for electromagnetic spectrum measurements, according to the ISRO.
    • It will be released into an orbit at 749 km.
    • EMISAT is primarily based on on the famous Israeli spy satellite called SARAL or (Satellite with ARgos and ALtika), and inherits its SSB-2 bus protocol for conducting sharp electronic surveillance across the length and breadth of India.
    • The satellite would serve as the country’s roving device for detecting and gathering electronic intelligence from enemy radars across the borders as it circles the globe roughly pole to pole every 90 minutes or so.
    • For the third successive PSLV mission, the ISRO plans to reuse the rocket’s spent fourth stage or PS4 to host short experiments.

    6.ISRO, French agency to set up a maritime surveillance system

    • ISRO and its French counterpart CNES has sealed an agreement to set up a joint maritime surveillance system in the country.
    • The two nations will explore putting up a constellation of low-Earth orbiting satellites.

    Oceansat-3-Argos Mission

    • The system will be augmented with the launch of Oceansat-3-Argos mission in 2020 along with a joint infrared Earth-observation satellite.
    • These will identify and track the movement of ships globally – and in particular, those moving in the Indian Ocean region where France has its Reunion Islands.
    • Before that, they will initially share data from their present space systems and develop new algorithms to analyse them, according to the Paris based National Centre for Space Studies.
    • They work together for the design and development of joint products and techniques, including those involving Automatic Identification System (AIS), to monitor and protect the assets in land and sea.

    7. Use of Space Technology in Agriculture Sector

    • The Ministry of Agriculture and Farmers Welfare has been pro-active in using the space technology in the agricultural sector. Take a look of various initiative in the aid of farmers:

    Various institutional measures

    1. The Department of Agriculture, Cooperation and Farmers Welfare established a Centre, called Mahalanobis National Crop Forecast Centre, in 2012.
    2. It works for operationalization of the space technology developed in the Indian Space Research Organization, for crop production forecasting.
    3. The Soil and Land Use Survey of India uses satellite data for soil resources mapping.

    8. India’s communication satellite GSAT-31 launched successfully

    GSAT-31

    1. It was launched in an elliptical Geosynchronous Transfer Orbit with a perigee (nearest point to Earth) of 250 km and an apogee (farthest point to Earth) of 35,850 km, inclined at an angle of 3.0 degree to the equator.
    2. With a lift-off mass of 2536 kg, GSAT-31 will augment the Ku-band transponder capacity in Geostationary Orbit.
    3. The satellite will provide continuity to operational services on some of the in-orbit satellites.
    4. GSAT-31 will provide DTH Television Services, connectivity to VSATs for ATM, Stock-exchange, Digital Satellite News Gathering (DSNG) and e-governance applications.
    5. The satellite will also be used for bulk data transfer for a host of emerging telecommunication applications.
    6. It is India’s 40th communication satellite which is configured on ISRO’s enhanced ‘I-2K Bus’, utilising the maximum “bus capabilities” of this type.

    9.ISRO launches Human Space Flight Centre in Bengaluru

    Human Space Flight Centre (HSFC)

    1. The HSFC, the hub of ISRO’s future manned missions, was inaugurated at ISRO headquarters in Bengaluru.
    2. Announced on August 15 2018, the country’s first crewed mission is set to happen by 2022, the 75th year of Independence.
    3. HSFC shall be responsible for the implementation of Gaganyaan project — which involves mission planning, development of engineering systems for crew survival in space, crew selection and training and also pursue activities for sustained human space flight missions.
    4. HSFC will take the support of ISRO centres to implement the first developmental [crewed] flight.

    10.ISRO’s first mission of 2019 to put military satellite Microsat-R in space

    • ISRO’s first mission of 2019 will put into space a 130-kg military imaging satellite, Microsat-R.
    • C-44 will be launched from the older First Launch Pad at the Satish Dhawan Space Centre, Sriharikota.

     Details of Launch

    1. The satellite would be placed within 15 minutes after take-off in a polar orbit 274 km away from Earth.
    2. This is much lower than any of its civil Earth observation spacecraft, which fly pole to pole over the globe at between 400 km and 700 km.

    Payload Details

    Microsat-R

    1. Microsat-R and its payload come assembled from a handful of laboratories of the Defence Research and Development Organisation (DRDO).
    2. It is meant for military use.
    3. The satellite was assembled outside and ISRO only interfaced it” with its own systems and the launch vehicle, just as it treats any customer satellite.

    11.Unispace Nanosatellite Assembly & Training Programme of ISRO

    NNATI Programme

    1. It is a capacity-building programme on Nanosatellite development.
    2. It is an initiative by ISRO to commemorate the 50th anniversary of the first United Nations conference on the exploration and peaceful uses of outer space (UNISPACE-50).
    3. The programme provides opportunities to the participating developing countries to strengthen in assembling, integrating and testing of Nanosatellite.
    4. UNNATI programme is planned to be conducted for 3 years by U.R. Rao Satellite Centre of ISRO in 3 batches and will target to benefit officials of 45 countries.

    About UNISPACE+50

    1. It is an event marking the 50th year of the first UN Conference on the Exploration and Peaceful Uses of Outer Space.
    2. It is an initiative of the United Nations Office for Outer Space Affairs (UNOOSA).
    3. Three such conferences held earlier recognized the potential of space and laid the guidelines for human activities and international cooperation related to outer space.

    11.ISRO successfully launches hyperspectral imaging satellite HysIS

    HysIS

    1. HysIS stands for Hyper Spectral Imaging Satellite.
    2. The objective of the probe is to provide observations within the visible, near-infrared and shortwave infrared bands of the electromagnetic spectrum.
    3. The imaging tools will help the HysIS satellite monitor atmospheric activity and climate change, while also assisting studies of Earth’s magnetic field.
    4. These observations will have a host of applications, prime among which relate to agriculture, forestry, water management, and coastal patterns.
    5. The satellite’s payload also consists of a 730W power backup, and a 64Ah Li-ion battery.
    6. It will continue to make observations until 2023 when the mission ends.
    7. After this launch, the next big event for the Indian space organisation will be its awaited mission to the moon – Chandrayaan-2 – in early 2019.

    12.GROWTH-India telescope’s first science observation

    GROWTH-India Telescope

    1. The GROWTH-India telescope was commissioned six months ago soon after which it saw first light, on the night of June 12.
    2. It is part of a multi-country collaborative initiative – known as the Global Relay of Observatories Watching Transients Happen (GROWTH) – to observe transient events in the universe.
    3. The fully robotic telescope is designed to capture cosmic events occurring over relatively shorter periods of the cosmological timescale: years, days and even hours.
    4. Universities and research institutes from the US, the UK, Japan, India, Germany, Taiwan and Israel are part of the initiative.
    5. Their primary research objective is time-domain astronomy, which entails the study of explosive transients and variable sources (of light and other radiation) in the universe.

    13.ISRO telemedicine nodes for soldiers in high-altitude areas

    Telemedicine Nodes by ISRO

    1. In a major effort to improve emergency medical support to soldiers posted in high-altitude areas, especially Siachen, the Integrated Defence Staff of the Defence Ministry and the ISRO signed an MoU to set up telemedicine nodes in critical places across the country.
    2. ISRO will establish 53 more nodes in the first phase over and above the existing 20, in various establishments of the Army, Navy and Air Force across the country.

    14.Chandrayaan-1 data confirms the presence of ice on Moon: NASA

    NASA’s Moon Mineralogy Mapper (M3) is testimony

    1. M3, aboard the Chandrayaan-1 spacecraft, launched in 2008 by the Indian Space Research Organisation (ISRO), was uniquely equipped to confirm the presence of solid ice on the Moon.
    2. Scientists used data from NASA’s Moon Mineralogy Mapper (M3) instrument to identify three specific signatures that definitively prove there is water ice at the surface of the Moon.
    3. It collected data that not only picked up the reflective properties we would expect from ice, but was also able to directly measure the distinctive way its molecules absorb infrared light, so it can differentiate between liquid water or vapour and solid ice.
    4. Most of the new-found water ice lies in the shadows of craters near the poles, where the warmest temperatures never reach above minus 156 degrees Celsius.
    5. Due to the very small tilt of the Moon’s rotation axis, sunlight never reaches these regions.

    15.ISRO set to launch its TV channel

    1. The ISRO is all set for a year-long Vikram Sarabhai centenary celebration starting in August 2019 to honour the visionary scientist and its legendary founding father.
    2. In a few months’ time, it plans to roll out a dedicated ISRO TV channel showcasing space applications, developments and science issues, targeting young viewers and people in remote areas in their language.

    Satellite launches now open to public

    1. As it strengthens its public outreach, ISRO will shortly start allowing the public to watch satellite launches from its Sriharikota launch centre.
    2. Selected students of classes 8 to 10 will be trained at ISRO for a month and taken to various laboratories and centres across the country.

    Vikram Sarabhai- the legend

    1. Sarabhai, the architect of the Indian space programme, the first ISRO chief and renowned cosmic ray scientist, was born on August 12, 1919.
    2. ISRO’s tributes to Sarabhai start with naming the first Indian moon landing spacecraft of the Chandrayaan-2 mission ‘Vikram’.
    3. Sarabhai was only 28 when he sowed the seeds of a space agency around the late 1940s and 1950s.

    16. Upgraded Vikas engine will soon boost ISRO’s rockets

    Adding more thrust

    1. The Vikas engine will improve the payload capability of PSLV, GSLV and GSLV Mk-III launch vehicles.
    2. The space agency has improved the thrust of the Vikas engine that powers all of them.

    Main beneficiary: GSLV Mk III

    1. The main beneficiary of the high-thrust Vikas engine is said to be the heavy-lifting GSLV-Mark III launcher, which ISRO expects will now put 4,000-kg satellites to space.
    2. This would be the third Mk-III and the first working one to be designated Mk III Mission-1 or M1.
    3. The first MkIII of June 2017 started with a 3,200-kg satellite and the second one is being readied for lifting a 3,500-kg spacecraft.
    4. The Vikas engine is used in the second stage of the light lifting PSLV; the second stage and the four add-on stages of the medium-lift GSLV; and the twin-engine core liquid stage of Mk-III.

    17.ISRO’s PRL scientists discover an ‘EPIC’ planet

    India in elite planet-spotting club

    1. A team from the Physical Research Laboratory, Ahmedabad, has spotted for the first time a distant planet six times bigger than Earth and revolving around a Sun-like star about 600 light-years away.
    2. EPIC 211945201b (or K2-236b) is the name given to the planet by the discovery team. The host star is named EPIC 211945201 or K2-236.
    3. With this discovery, India has joined a handful of countries which have discovered planets around stars,” PRL’s parent ISRO has announced.
    4. The discovery was made using a PRL-designed spectrograph, PARAS, to measure and confirm the mass of the new planet.

    About EPIC

    1. EPIC was found circling very close to the Sun-like star, going around it once in about 19.5 days and unlikely to be inhabitable because of its high surface temperature of around 600°C.
    2. The team found the planet to be smaller in size than Saturn and bigger than Neptune.
    3. Its mass is about 27 times Earth’s and six times that of Earth at the radius.
    4. The scientists estimate that over 60% of its mass could be made up of heavy elements like ice, silicates and iron.

    GSAT-30 spacecraft

    1. India’s telecommunication satellite GSAT-30 was successfully launched into a Geosynchronous Transfer Orbit (GTO) on January 17, 2020, from Kourou launch base, French Guiana by Ariane-5 VA-251.
    2. GSAT-30 is configured on ISRO’s enhanced I-3K Bus structure to provide communication services from Geostationary orbit in C and Ku bands. The satellite derives its heritage from ISRO’s earlier INSAT/GSAT satellite series.
    3. Weighing 3357 kg, GSAT-30 is to serve as a replacement to INSAT-4A spacecraft services with enhanced coverage. The satellite provides Indian mainland and islands coverage in Ku-band and extended coverage in C-band covering Gulf countries, a large number of Asian countries and Australia.
    4. The designed in-orbit operational life of GSAT-30 is more than 15 years.

    Important Submarines in News:

    1. Indian Naval ship Sahyadri reaches Darwin, Australia for exercise KAKADU 2018

    Exercise KAKADU

    1. After having been deployed to the South China Sea and the Pacific Ocean for over four months, which included representing Indian Navy in multinational exercises MALABAR 18 at Guam and RIMPAC 18 at Hawaii, INS Sahyadri entered the Port of Darwin, Australia to participate in Exercise KAKADU 2018
    2. Indian Navy’s participation in KAKADU 18 provides an excellent opportunity to engage with regional partners and undertake multinational maritime activities ranging from constabulary operations to high-end maritime warfare in a combined environment
    3. It is aimed at enhancing interoperability and development of common understanding of procedures for maritime operations

    About the exercise

    1. Exercise KAKADU, which started in 1993, is the premier multilateral regional maritime engagement exercise hosted by the Royal Australian Navy (RAN) and supported by the Royal Australian Air Force (RAAF)
    2. The exercise is held biennially in Darwin and the Northern Australian Exercise Areas (NAXA)
    3. Exercise KAKADU derives its name from Kakadu National Park, which is a protected area in the northern territory of Australia, 171 km south-east of Darwin
    4. KAKADU 2018 is the 14th edition of the exercise
    5. During the exercise, professional exchanges in harbour and diverse range of activities at sea, including complex surface, sub-surface and air operations would enable sharing of best practices and honing of operational skills.

    2.Operation NISTAR Successfully Culminates with Safe Disembarkations of 38 Indian Nationals at Porbandar

    Operation NISTAR

    • INS Sunayana successfully evacuated 38 Indian Nationals at/ off Socotra Islands during a swift Humanitarian and Disaster Relief Operation (HADR), code named Operation NISTAR.
    • The Indian Nationals were stranded after severe Cyclonic Storm – Mekunu devastated the area around Socotra Island.
    • INS Sunayana was diverted from Gulf of Aden deployment to Socotra Island for search and rescue operations.

    Humanitarian Assistance and Disaster Relief (HADR) in India’s National Strategy

    • HADR operations have attracted the attention of the global community in recent years.
    • The Indian armed forces have a wide experience of disaster relief operations both at home and abroad, where they have been the core of relief operations.
    • Due to its sub-continental size, geographical location and its vulnerability to disasters, India has kept its forces ready to render assistance at short notice.
    • In the six decades since independence, India has experienced a number of natural and man-made disasters such as floods, earthquakes, famines, industrial accidents etc.
    • At the same time, India has partnered the global community in providing relief in affected regions.

    3.INS Karanj boosts Navy’s firepower

    Third Scorpene class submarine joins Naval fleet

    1. The Navy’s third state-of-the-art Scorpene class submarine, INS Karanj, has been launched
    2. The new submarine is named after the earlier Kalvari class INS Karanj, which was decommissioned in 2003
    3. This launch follows the launch of the first two Scorpene submarines — INS Kalavari and INS Khanderi.

    4.Indian Navy inducts its first Deep Submergence Rescue Vehicle

    • The Indian Navy has inducted its first Deep Submergence Rescue Vehicle (DSRV) System at the Naval Dockyard in Mumbai.

    About DSRV

    1. DSRV is used to rescue crew members stranded in submarines that get disabled. The Indian Navy joins a select group of naval forces in the world that boasts of this niche capability.
    2. The DSRV can be operated at a depth of 650 meters and can hold around 15 people.
    3. The Indian Navy in March 2016 had commissioned two DSRVs, the second will deployed at the Eastern Naval Command in Visakhapatnam.
    4. The induction of the DSRV marks the culmination of years of effort of the Indian Navy in acquiring this niche submarine rescue capability.

    Why need DSRV System?

    1. The Indian Navy currently operates submarines of the Sindhughosh, Shishumar, Kalvari Classes as well as nuclear powered submarines.
    2. The operating medium and the nature of operations undertaken by submarines expose them to high degree of inherent risk.
    3. In such an eventuality, traditional methods of search and rescue at sea are ineffective for a disabled submarine.
    4. To overcome this capability gap the Navy has acquired a third generation, advanced Submarine Rescue System considering of a Non-tethered Deep Submergence Rescue Vehicle (DSRV) and its associated equipment.

    What makes Indian DSRV special?

    1. The Indian Navy’s DSRV System is considered to be the most advanced system currently in operation globally for its capability of undertaking rescue from a disabled Submarine upto 650 m depth.
    2. It is operated by a crew of three, can rescue 14 personnel from a disabled Submarine at one time and can operate in extreme sea conditions.

    5.Indian Navy’s Deep Submergence Rescue Vessel (DSRV) Capability

    Context

    • The Indian Navy has inducted a Submarine Rescue System with a Deep Submergence Rescue Vessel (DSRV) along with associated equipment.

    Deep Submergence Rescue Vessel (DSRV)

    1. The Indian DSRV has the capability to rescue personnel from a distressed submarine (DISSUB) up to a depth of 650 m and it is the latest in terms of technology and capabilities.
    2. It has been designed and supplied to meet unique requirements of our submarines by M/s James Fishes Defence, UK.
    3. This System has a Side Scan Sonar for locating the position of the submarine in distress at sea.
    4. It will be providing immediate relief by way of posting Emergency Life Support Containers with the help of Remotely Operated Vehicle (ROV) for the rescue.
    5. To ensure early mobilization, the System permits rapid transportation of the Rescue System from the base to the exact location of the distressed submarine by transportation using air/land/sea vessels.

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  • Pardoning powers of the President

    Tamil Nadu CM has written to the President requesting him to accept the State Government’s to remit the life sentences of all the seven convicts in the Ex-PM’s assassination case.

    Story so far

    • Tamil Nadu government had recommended to the state Governor for the remission of the rest of the sentence for all convicts and their early release.
    • The Governor has then decided that the President was the competent authority to decide on the plea of remission of sentence.

    Answer this PYQ in the comment box:

    Q.Which of the following are the discretionary powers given to the Governor of a State?

    1. Sending a report to the President of India for imposing the President’s rule
    2. Appointing the Ministers
    3. Reserving certain bills passed by the State Legislature for consideration of the President of India
    4. Making the rules to conduct the business of the State Government

    Select the correct answer using the code given below:

    (a) 1 and 2 only

    (b) 1 and 3 only

    (c) 2, 3 and 4 only

    (d) 1, 2, 3 and 4

    Pardon

    • A pardon is a government/executive decision to allow a person to be absolved of guilt for an alleged crime or other legal offense as if the act never occurred.

    Why need Pardon?

    • Pardons can be granted when individuals are deemed to have demonstrated that they have “paid their debt to society”, or are otherwise considered to be deserving of them.
    • Pardons are sometimes offered to persons who were either wrongfully convicted or who claim that they were wrongfully convicted.
    • Pardons are sometimes seen as a mechanism for combating corruption, allowing a particular authority to circumvent a flawed judicial process to free someone that is seen as wrongly convicted.

    Pardoning powers in India

    • Under the Constitution of India (Article 72), the President of India can grant a pardon or reduce the sentence of a convicted person, particularly in cases involving capital punishment.
    • A similar and parallel power vests in the governors of each state under Article 161.

    [1] President

    1. Article 72 says that the president shall have the power to grant pardons, reprieves, respites or remissions of punishment or to suspend, remit or commute the sentence of any person convicted of any offense.
    2. The pardoning powers of the Indian President are elucidated in Art 72 of the Indian Constitution. There are five different types of pardoning that are mandated by law.
    • Pardon: means completely absolving the person of the crime and letting him go free. The pardoned criminal will be like a normal citizen.
    • Commutation: means changing the type of punishment given to the guilty into a less harsh one, for example, a death penalty commuted to a life sentence.
    • Reprieve: means a delay allowed in the execution of a sentence, usually a death sentence, for a guilty person to allow him some time to apply for Presidential Pardon or some other legal remedy to prove his innocence or successful rehabilitation.
    • Respite: means reducing the quantum or degree of the punishment to a criminal in view of some special circumstances, like pregnancy, mental condition etc.
    • Remission: means changing the quantum of the punishment without changing its nature, for example reducing twenty year rigorous imprisonment to ten years.

    Cases as specified by art. 72

    • in all cases where the punishment or sentence is by a court martial;
    • in all cases where the punishment or sentence is for an offence against any law relating to a matter to which the executive power of the Union extends;
    • in all cases where the sentence is a sentence of death.

    [2] Governor

    • Similarly, as per article 161: Governor of a State has the power to grant pardons, reprieves, respites or remissions of punishment or to suspend, remit or commute the sentence of any person convicted of any offence against any law.
    • It must be relating to a matter to which the executive power of the state extends.
    • Please note that President can grant pardon to a person awarded death sentence. But a governor of a state does not enjoy this power.

    Nature of the Pardoning Power

    • The question is whether this power to grant pardon is absolute or this power of pardon shall be exercised by the President on the advice of Council of Ministers.
    • The pardoning power of the president is not absolute. It is governed by the advice of the Council of Ministers.
    • This has not been discussed by the constitution but is the practical truth.
    • Further, the constitution does not provide for any mechanism to question the legality of decisions of President or governors exercising mercy jurisdiction.
    • But the SC in Epuru Sudhakar case has given a small window for judicial review of the pardon powers of President and governors for the purpose of ruling out any arbitrariness.
    • The court has earlier held that court has retained the power of judicial review even on a matter which has been vested by the Constitution solely in the Executive.

    Some traditions

    • It is important to note that India has a unitary legal system and there is no separate body of state law.
    • All crimes are crimes against the Union of India.
    • Therefore, a convention has developed that the governor’s powers are exercised for only minor offenses.
    • While requests for pardons and reprieves for major offenses and offenses committed in the UTs are deferred to the President.
  • Explained: Cryptocurrency Market Crash

    The cryptocurrency market saw a big correction with prices of major currencies, including Bitcoin, Ethereum, BNB, and others crashing as much as 30% within 24 hours.  This came in the backdrop of Chinese regulators announcing a crackdown on cryptocurrencies.

    Try this question from our AWE initiative:

    What is a cryptocurrency? What benefits and challenges do cryptocurrencies pose? (250 Words)

    Crackdown on Crypto Market

    • China has barred financial institutions and payment companies from providing any services related to cryptocurrency transactions.
    • This means that banks and online payment channels must not offer clients any service involving cryptocurrencies, such as registration, trading, clearing, and settlement.
    • China had issued such a ban in 2017 as well, but compared with the previous ban, the new rules have expanded the scope of prohibited services, and surmise that “virtual currencies are not supported by any real value”.

    Other reason behind this crash: The Tesla story

    • Tesla recently announced that it wouldn’t favor Bitcoin on ‘environmental’ concerns because Bitcoin mining requires electricity which is mostly generated using fossil fuels.
    • However, this seems to be motivated and raises a few questions like – didn’t the Tesla management already know about Bitcoin mining before diversifying into it?

    What does this fall imply?

    • A crackdown by one of the world’s biggest economy notwithstanding, those in the ecosystem has termed this decline as a short-term correction.
    • A nearly 40% dip in the bitcoin price from its all-time high looks dramatic but is normal in many volatile markets, including crypto, especially after such a large rally.
    • Such corrections are mainly due to short-term traders taking profits.
    • Long-term value investors might call these lower prices a buying opportunity.

    Back2Basics: Cryptocurrencies

    • A cryptocurrency is a digital asset designed to work as a medium of exchange wherein individual coin ownership records are stored in a ledger existing in a form of a computerized database.
    • It uses strong cryptography to secure transaction records, control the creation of additional coins, and verify the transfer of coin ownership.
    • It typically does not exist in physical form (like paper money) and is typically not issued by a central authority.
    • Cryptocurrencies typically use decentralized control as opposed to centralized digital currency and central banking systems.
  • E-way bill integrated with FASTag, RFID

    GST officers have been armed with real-time data of commercial vehicle movement on highways with the integration of the e-way bill (EWB) system with FasTag and RFID.

    Why such a move?

    • The integration of e-way bill, RFID, and FASTag will enable tax officers to undertake live vigilance in respect of EWB compliances by businesses and will help curb tax evasion.
    • It will aid in preventing revenue leakage by real-time identification of cases of recycling and/or non-generation of EWBs.

    What are E-way bills (EWB)?

    • Under the GST regime, transporters should carry the eWay Bill when moving goods from one place to another when certain conditions are satisfied.
    • EWBs are mandatory for inter-state transportation of goods valued over Rs 50,000 from April 2018, with the exemption to precious items such as gold
    • In this system, businesses and transporters have to produce before a GST inspector the e-way bill, if asked.
    • On average, 25 lakh goods vehicle movements from more than 800 tolls are reported on a daily basis to the e-way bill system.

    Benefits of the move

    • Tax officers can now access reports on vehicles that have passed the selected tolls without EWBs in the past few minutes.
    • Also, vehicles carrying critical commodities specific to the state and having passed the selected toll can be viewed.
    • Any suspicious vehicles and vehicles of EWBs generated by suspicious taxpayer GSTINs, that have passed the selected toll on a near real-time basis, can also be viewed in this report.
    • The officers can use these reports while conducting vigilance and make the vigilance activity more effective.
    • Also, the officers of the audit and enforcement wing can use these reports to identify fraudulent transactions like bill trading, recycling of EWBs.
  • World’s largest iceberg breaks off from Antarctica

    A huge ice block has broken off from western Antarctica into the Weddell Sea, becoming the largest iceberg in the world and earning the name A-76.

    Answer this PYQ in the comment box:

    Q.On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion:

    (a) is found in the atmosphere as moisture and clouds

    (b) is found in freshwater lakes and rivers

    (c) exists as groundwater

    (d) exists as soil moisture

    A-76 Iceberg

    • A-76 is the latest in a series of large ice blocks to dislodge in a region acutely vulnerable to climate change, although scientists said in this case it appeared to be part of a natural polar cycle.
    • The iceberg, measuring around 170 km long and 25 km wide, with an area of 4,320 sq km is now floating in the Weddell Sea.
    • Slightly larger than the Spanish island of Majorca, A-76 had been monitored by scientists since it began to separate from the Ronne Ice Shelf.
    • It joins the previous world’s largest title holder A-23A — approximately 3,880 sq. km. in size — which has remained in the same area since 1986.
    • A-76 was originally spotted by the British Antarctic Survey and the calving — the term used when an iceberg breaks off — was confirmed using images from the Copernicus satellite.

    Note: An iceberg is a large piece of freshwater ice that has broken off a glacier or an ice shelf and is floating freely in open water.

  • Places in news: Paracel Islands

    A United States warship sailed through the Paracel Islands in the disputed South China Sea.

    Paracel Islands

    • The Paracel Islands, also known as the Xisha Islands are a disputed archipelago in the South China Sea.
    • The archipelago includes about 130 small coral islands and reefs, most grouped into the northeast Amphitrite Group or the western Crescent Group.
    • They are distributed over a maritime area of around 15,000 square kilometers with a land area of approximately 7.75 square kilometers.
    • The archipelago includes Dragon Hole, the deepest underwater sinkhole in the world.
    • It is surrounded by productive fishing grounds and a seabed with potential, but as yet unexplored, oil and gas reserves.
  • [pib] Magnetospheric Multiscale Mission

    Indian Scientists have developed a theory that helps understand the complicated nature of Sun-Earth interaction’s happening in the magnetosphere

    Magnetospheric Multiscale (MMS) Mission

    • The Magnetospheric Multiscale (MMS) Mission is a NASA robotic space mission to study the Earth’s magnetosphere, using four identical spacecraft flying in a tetrahedral formation.
    • The mission is designed to gather information about the microphysics of magnetic reconnection, energetic particle acceleration, and turbulence⁠—processes that occur in many astrophysical plasma.
    • Indian researchers have developed a theory that solves every bit of uncertainty regarding the conflict between the observations from MMS Mission.

    Answer this PYQ in the comment box:

    Q.Consider the following statements:

    1. The Earth’s magnetic field has reversed every few hundred thousand years.
    2. When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide.
    3. When living organisms originated, they modified the early atmosphere of the Earth.

    Which of the statements given above is/ are correct? (CSP 2018)

    (a) 1 only

    (b) 2 and 3 only

    (c) 1 and 3 only

    (d) 1, 2 and 3

    What is the Magnetosphere?

    • The magnetosphere is the region of space surrounding Earth where the dominant magnetic field is the magnetic field of Earth, rather than the magnetic field of interplanetary space.
    • It is formed by the interaction of the solar wind with Earth’s magnetic field.

    Findings of the Indian Researchers

    • The MMS spacecraft observed negative monopolar potential (electric field potentials which can be visualized in the form of single-humped pulse-type structures).
    • The scientific community suddenly recognized its importance, and publications were presented.
    • However, none of the available theories could explain the characteristics of these structures due to the exotic background conditions.
    • Indian theory provides a better understanding of their characteristics and sheds light on the generation of these structures.
    • This has lead to the unraveling of nature’s greatest mystery that causes phenomena -plasma transport and heating of plasma- the fourth state of matter after solid, liquid, and gas.