💥Join UPSC 2027,2028 Mentorship (July Batch) + XFactor Notes & Microthemes PDF

Type: Prelims Only

  • Aditya-L1 successfully placed in a Halo Orbit around L1 Point

    aditya

    Introduction

    • The Indian Space Research Organisation (ISRO) has achieved a significant milestone by placing the Aditya-L1 spacecraft in a halo orbit around the Lagrangian point (L1).
    • Launched on September 2, 2023, Aditya-L1 reached the L1 point on January 6, after a 127-day journey covering 1.5 million km.

    What is a Halo Orbit?

    • Halo orbits are three-dimensional, periodic orbits around Lagrange points in a two-body system like Earth-Sun or Earth-Moon.
    • It is commonly linked with L1, L2, and L3 Lagrange points, where the gravitational forces of two large bodies and centrifugal force balance each other.
    • It provides a stable line of sight to Earth and the Sun, beneficial for continuous communication and solar power.
    • Unlike typical two-dimensional orbits, halo orbits form a 3D loop, resembling a halo around Lagrange points.
    • These orbits, especially around L1 and L2 points, require periodic adjustments for a spacecraft to maintain its trajectory.
    • It offers energy-efficient positions in space due to balanced gravitational forces, requiring minimal propulsion for orbit maintenance.
    • James Webb Space Telescope utilizes a halo orbit around the Earth-Sun L2 point for a stable observation position.

    Aditya-L1’s Mission Objectives and Operations

    • Orbit Characteristics: Aditya-L1 is in a periodic halo orbit around L1, approximately 1.5 million km from Earth, with an orbital period of about 177.86 days.
    • Mission Life and Goals: With a mission life of five years, Aditya-L1 aims to study the sun’s photosphere, chromosphere, and corona, along with in-situ studies of particles and fields at L1.
    • Continuous Solar Observation: The satellite’s position allows for uninterrupted solar observation, crucial for understanding solar activities and space weather dynamics.

    Understanding Lagrange Points and L1

    • Lagrange Points Explained: Lagrange Points are positions in space where a small object can maintain its position relative to two larger bodies due to the gravitational balance.
    • L1 Point Advantage: The L1 point, located about 1.5 million km from Earth, offers continuous solar viewing without occultation or eclipse, providing a strategic advantage for solar observation.

    Aditya-L1’s Journey Timeline

    • Launch and Initial Orbits: Following its launch, ISTRAC conducted four earth-bound maneuvers to position Aditya-L1 in progressively higher orbits.
    • Trans-Lagrangian1 Insertion: The spacecraft underwent a crucial manoeuvre on September 19, marking the start of its 110-day journey to L1.

    Why Study the Sun?

    • Understanding Solar Dynamics: Studying the sun is crucial for comprehending its energy production, temperature variations, and radiation emissions.
    • Monitoring Solar Activities: Continuous monitoring of solar flares and coronal mass ejections is vital for predicting space weather and mitigating its impact on space-reliant technologies.

    Conclusion

    • Unprecedented Solar Study: Aditya-L1’s unique position and advanced instruments enable an unparalleled study of the sun, contributing significantly to our understanding of solar phenomena.
    • ISRO’s Achievement: This successful mission underscores ISRO’s expertise in navigating complex space missions and reinforces India’s position as a leading player in space exploration and research.
  • SEBI strengthens regulations for Alternate Investment Funds (AIFs)

    Introduction

    • The Securities and Exchange Board of India (SEBI) has implemented its decisions, introducing significant changes to the regulations governing Alternate Investment Funds (AIFs).
    • These include extending the mandatory custodian appointment to smaller AIFs and requiring the dematerialization of AIF investments.

    About Alternative Investment Funds (AIFs)

    Details
    Definition AIFs are privately pooled investment vehicles established in India, collecting funds from sophisticated investors for investing.
    Regulation Governed by the SEBI (Alternative Investment Funds) Regulations, 2012.
    Formation Can be formed as a company, Limited Liability Partnership (LLP), trust, etc.
    Investor Profile Aimed at high rollers, including domestic and foreign investors in India. Generally favored by institutions and high net worth individuals due to high investment amounts.
    Categories of AIFs Category I: Invests in start-ups, early-stage ventures, SMEs, etc. Includes venture capital funds, angel funds, etc.

    Category II: Includes funds not in Category I/III, like real estate funds, debt funds, etc. No leverage or borrowing except for operational requirements.

    Category III: Employs complex trading strategies, may use leverage. Includes hedge funds, PIPE Funds, etc.

    Fund Structure Category I and II AIFs must be close-ended and have a minimum tenure of three years.

    Category III AIFs can be open-ended or close-ended.

    Extended Custodian Appointment Requirements

    • Previous Norms: Earlier, the mandatory custodian appointment was required for Category III AIFs and Category I and II AIFs with a corpus exceeding ₹500 crore.
    • New Extension: As of January 5, this requirement has been extended to all AIFs, regardless of their corpus size.

    Mandatory Dematerialization of Investments

    • Amendment to AIF Regulations: SEBI has amended its 2012 AIF Regulations to mandate that AIFs hold securities of their investments only in dematerialized form, with certain exceptions.
    • Exceptions: These include investments in instruments not eligible for dematerialization and those held by a liquidation scheme of AIF not available in dematerialized form.
    • Future Provisions: SEBI has also reserved the right to specify other investments or schemes that may be exempt from this dematerialization requirement.

    New Conditions for Custodian Appointment

    • Restrictions on Associates: AIFs can appoint a Custodian who is an Associate of a Manager or a Sponsor of an alternate fund only under specific conditions.
    • Net Worth and Independence Requirements: These conditions include the Sponsor or Manager having a minimum net worth of ₹20,000 crore and ensuring the Custodian’s independence from the Sponsor or Manager.

    Closing Regulatory Gaps

    • Addressing Past Breaches: The latest changes aim to close various regulatory gaps that previously allowed breaches in the spirit of the law and the use of investment vehicles to escape regulatory oversight.
    • RBI’s Complementary Measures: The Reserve Bank of India (RBI) has also tightened norms for banks and NBFCs investing in AIFs to prevent potential ever-greening and other regulatory circumventions.
  • Paleolithic Tools Discovered in Telangana’s Mulugu District

    Paleolithic

    Introduction

    • Floods Uncover Historical Artifacts: The recent floods in Mulugu district, Telangana, have led to the discovery of Paleolithic quartzite tools, shedding new light on the region’s ancient human habitation.
    • Discovery by Amateur Historians: The tools were found in a dried-up stream bed by a team led by Sriramoju Haragopal, an amateur historian.

    About Paleolithic Age

    Details
    Timeframe Approximately 2.6 million years ago to about 10,000 BCE.
    Characteristics Marked by the use of stone tools by early humans. Tools were mainly hand axes, cleavers, and choppers.
    Major Sites
    • Bhimbetka in Madhya Pradesh
    • Soan Valley in Punjab
    • Sites in Rajasthan, Karnataka, and Maharashtra
    • Narmada Valley in Central India
    • Attirampakkam in Tamil Nadu
    • Hunsgi in Karnataka
    • Kurnool in Andhra Pradesh
    • Didwana in Rajasthan
    • Belan Valley in Uttar Pradesh
    Lifestyle Nomadic hunter-gatherers; relied on hunting animals and gathering plants for food.
    Cultural Developments Development of basic stone tools and control of fire.
    Art and Symbolism Evidence of early art found in Bhimbetka rock shelters, with paintings and engravings.
    Climate and Environment Varied climatic conditions over millennia; included ice ages and warmer periods.
    Human Species Mainly Homo erectus and Homo sapiens.

    Details of the Discovery

    • Location of Find: The hand axes were discovered between Gurrevula and Bhupatipuram villages in Mulugu district.
    • Specific Find: Researchers found a significant stone axe measuring 15.5 cm in length, 11 cm in width, and 5.5 cm in thickness.

    Context and Comparison

    • Global Significance: Similar hand axes have been discovered worldwide, indicating a common tool type used by early humans for various purposes.
    • Historical Context in India: The first discovery of a Paleolithic site in India was in 1863 at Attirampakkam near Madras (now Chennai), with bifacial hand-axes dating back to about 15 lakh years, known as the Madras Hand-Axe Industry or Madrasian Culture.

    Historical Significance

    • Paleolithic Era Tools: According to paleontologists, the stone axe dates back to the Lower Paleolithic period, approximately 30 lakh years ago.
    • Tool Identification: The tools were identified based on their chipping style, material, and size, typical of Paleolithic hunter-gatherers who used heavy quartzite for large tools.
  • ISRO Successfully Tests Polymer Electrolyte Membrane Fuel Cell in Space

    Fuel Cell

    Introduction

    • The Indian Space Research Organisation (ISRO) has successfully tested a 100 W class Polymer Electrolyte Membrane Fuel Cell based Power System (FCPS) in space.
    • The FCPS was part of the POEM3 orbital platform, launched onboard PSLV-C58 on January 1, 2024.

    About FCPS Experiment

    • Primary Goal: The experiment aimed to assess the operation of Polymer Electrolyte Membrane Fuel cells in space and gather data for future mission designs.
    • Power Generation: During the test, 180 W power was generated using Hydrogen and Oxygen gases, providing valuable data on the performance of the power system.

    About Polymer Electrolyte Membrane (PEM) Fuel Cells

    Details
    Basic Principle Converts chemical energy from hydrogen into electrical energy, producing water and heat as byproducts.
    Key Components Membrane Electrode Assembly (MEA)

    Platinum-based catalyst

    Gas Diffusion Layers (GDLs)

    Bipolar Plates

    Operation Hydrogen Oxidation: At the anode, hydrogen molecules (H2) are split into protons (H+) and electrons (e-).

    Proton Conduction: The PEM allows only protons to pass through to the cathode, blocking electrons.

    Electron Flow: Electrons travel through an external circuit to the cathode, creating an electric current.

    Oxygen Reduction: At the cathode, oxygen molecules (O2) from the air combine with the protons and electrons to form water (H2O).

    Heat Production: The reaction generates heat, which can be used for heating purposes in some applications.

    Types of Membranes Perfluorosulfonic acid (PFSA) membranes (common)

    Hydrocarbon-based membranes (alternative)

    Advantages High power density

    Low operating temperatures (60-80°C)

    Zero emissions with pure hydrogen

    Applications in Space and Society

    • Multipurpose Space Use: Fuel cells are particularly suitable for human space missions, providing essential power, water, and heat from a single system.
    • Societal Benefits: They have significant potential for societal applications, including as replacements for conventional vehicle engines and in standby power systems.
    • Advantages over Batteries: Fuel cells offer range and refuelling times comparable to conventional engines and are expected to enable emission-free transportation.
  • Cabinet approves Prithvi Vigyan Scheme for Earth Sciences

    prithvi

    Introduction

    • The Union Cabinet, led by Prime Minister, has sanctioned the “Prithvi Vigyan (Prithvi)” scheme, a significant project of the Ministry of Earth Sciences.
    • With a budget of Rs 4,797 crore, the scheme is planned for the period from 2021 to 2026.

    About Prithvi Vigyan Scheme

    • Consolidation of Programs: The Prithvi scheme unifies five existing sub-schemes:
    1. Atmosphere & Climate Research-Modelling Observing Systems & Services (ACROSS),
    2. Ocean Services, Modelling Application, Resources and Technology (O-SMART),
    3. Polar Science and Cryosphere Research (PACER),
    4. Seismology and Geosciences (SAGE),
    5. Research, Education, Training and Outreach (REACHOUT).
    • Aim: This integration is designed to enhance our understanding of Earth’s systems and apply scientific knowledge for societal, environmental, and economic benefits.

    Objectives and Focus Areas  

    • Comprehensive Observations: The scheme emphasizes long-term monitoring across the atmosphere, ocean, geosphere, cryosphere, and solid earth to track Earth System’s vital signs and changes.
    • Development of Predictive Models: It focuses on creating models for weather, ocean, and climate hazards and advancing climate change science.
    • Exploration Initiatives: Exploration of Polar Regions and high seas is a key aspect, aiming to discover new phenomena and resources.
    • Technological Advancements: The scheme also stresses the development of technology for the sustainable exploitation of oceanic resources for societal applications.

    Role of the Ministry of Earth Sciences

    • Provision of Critical Services: The Ministry is responsible for delivering crucial services related to weather, climate, ocean and coastal states, hydrology, seismology, and natural hazards.
    • Support in Disaster Management: These services are essential for issuing forecasts and warnings for natural disasters, thereby aiding in disaster preparedness and risk mitigation.

    Holistic Approach to Earth System Sciences

    • Broad Scope of Study: Earth System Sciences involve studying the atmosphere, hydrosphere, geosphere, cryosphere, and biosphere, and their complex interactions.
    • Integrated Research Efforts: The Prithvi scheme aims to address these components comprehensively, enhancing understanding and providing reliable services for India.

    Impact and Future Prospects

    • Addressing Major Challenges: The scheme’s integrated research and development efforts will tackle significant challenges in various fields like weather, climate, oceanography, cryospheric studies, and seismology.
    • Harnessing Resources Sustainably: It explores sustainable methods to utilize both living and non-living resources, contributing to national development and environmental conservation.
  • In news: DigiYatra Initiative

    DigiYatra

    Central Idea

    • Travellers at Indian airports have raised privacy concerns over the Digi Yatra initiative, which involves collecting facial biometrics without explicit consent.

    About DigiYatra

    • DigiYatra offers paperless airport entry using facial recognition technology.
    • It aims for paperless, contactless airport checkpoints, identifying travelers by facial features linked to boarding passes.
    • This system automates passenger entry at various points like airport entry, security checks, and boarding using facial recognition.
    • Passengers no longer need to present ID cards and boarding passes.
    • The DigiYatra Foundation, a joint venture with stakeholders including the Airports Authority of India and major Indian airports, is implementing the project.
    • The Airports Authority of India holds a 26% stake, while five major airports equally share the remaining 74%.

    How to Use DigiYatra?

    • Passengers register on the DigiYatra app with Aadhaar validation and a self-captured image.
    • Next, they scan their boarding pass, sharing credentials with airport authorities.
    • At the airport e-gate, passengers scan their boarding pass; the facial recognition system validates their identity and travel documents.
    • After validation, passengers can enter through the e-gate.
    • Normal security clearance and boarding procedures still apply.

    Need for DigiYatra

    • Facial recognition technology streamlines flying and reduces airport congestion.
    • This technology, already in use at airports like Dubai, Singapore, Atlanta, and Narita (Japan), enhances efficiency.

    Data Privacy and Security Concerns

    • Data Usage and Deletion: Passenger data will be used only for defined purposes and deleted 24 hours after flight departure.
    • Compliance and Concerns: The FRT system will adhere to India’s data privacy and protection practices. However, concerns have been raised about the adequacy of the Personal Data Protection Bill (PDPB), 2019, which falls short of the standards set by the Justice Srikrishna Committee and does not fully align with the Justice K.S. Puttaswamy vs Union of India judgment on the right of privacy.

    Concerns Over Biometric Scanning at Airports

    • Privacy and Consent: Issues of data storage, access, and the option to opt-out raise privacy concerns among passengers.
    • Biometric Data Misuse: Without clear regulations, there’s a risk of personal data being accessed or misused by unauthorized entities.

    Issues with Biometric Scanning Technologies

    • Inherent Bias: Research indicates that FRT and AI can be biased, with higher misidentification rates for non-white individuals.
    • Algorithmic Discrimination: Studies have shown that machine learning algorithms can discriminate based on race and gender.

    Conclusion

    • Advancements in Air Travel: The implementation of FRT in Indian airports marks a significant technological advancement in air travel.
    • Addressing Privacy Concerns: Ensuring robust data privacy measures and addressing inherent biases in technology are crucial for the successful and ethical implementation of FRT systems.
    • Future of Air Travel Security: As FRT becomes more prevalent, continuous evaluation and improvement of these systems will be essential to safeguard passenger privacy and enhance travel efficiency.

    Try this PYQ from CSP 2022:

    Consider the following (2022)

    1. Aarogya Setu
    2. CoWIN
    3. Digi Locker
    4. DIKSHA

    Which of the above are built on top of open-source digital platforms?

    (a) 1 and 2 only

    (b) 2, 3 and 4 only

    (c) 1, 3 and 4 only

    (d) 1, 2, 3 and 4

    [wpdiscuz-feedback id=”cd2k92y5dx” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

  • Justice BR Gavai appointed as Chairman of Supreme Court Legal Services Committee

    Supreme Court Legal Services Committee

    Introduction

    • Justice BR Gavai has been appointed as the Chairman of the Supreme Court Legal Services Committee (SCLSC), succeeding Justice Sanjiv Khanna.

    Understanding the Supreme Court Legal Services Committee

    • Constitution and Purpose: The SCLSC, established under Section 3A of the Legal Services Authorities Act, 1987, aims to provide free legal services to weaker sections of society in cases under the Supreme Court’s jurisdiction.
    • Composition: Chaired by a sitting Supreme Court judge, the committee includes members with prescribed experience and qualifications, all nominated by the Chief Justice of India (CJI).

    Composition and Functioning of the SCLSC

    • Current Members: As of now, the SCLSC comprises Chairperson BR Gavai and nine other members appointed by the CJI.
    • Staffing and Administration: The Committee can appoint officers and employees as per the Centre’s guidelines, in consultation with the CJI.

    Need for Legal Services in India

    • Constitutional Basis: The Indian Constitution, particularly Article 39A, emphasizes the state’s role in ensuring legal justice is accessible to all citizens, regardless of economic or other disabilities.
    • Historical Development: The concept of legal aid in India evolved over decades, with significant progress marked by the establishment of a national committee under Justice PN Bhagwati in 1980.

    Legal Services Authorities Act and Its Provisions

    • Statutory Framework: The 1987 Act provides a legal basis for offering free and competent legal services to eligible groups, including women, children, SC/ST, EWS categories, and others.
    • Establishment of NALSA: Formed in 1995, the National Legal Services Authority (NALSA) oversees legal aid programs and formulates policies for legal services.
    • Nationwide Network: The Act envisions a network across India for legal aid, with State Legal Services Authorities (SLSAs) and District Legal Services Authorities (DLSAs) implementing these services at state and district levels, respectively.

    Role of State and District Legal Services Authorities

    • State-Level Implementation: Each SLSA, led by the Chief Justice of the respective High Court, executes NALSA’s policies and provides free legal services.
    • District and Taluk Committees: DLSAs and Taluk Legal Services Committees, chaired by district and senior civil judges respectively, conduct legal awareness programs and provide various legal services.
  • Zosurabalpin: Antibiotic against Drug-Resistant Bacteria

    Introduction

    • New Antibiotic Class: Researchers have identified zosurabalpin, a new class of antibiotics showing potential against the drug-resistant bacterium Acinetobacter baumannii.
    • Effective against CRAB: Zosurabalpin has been found effective against carbapenem-resistant Acinetobacter baumannii (CRAB)-induced pneumonia and sepsis in mouse models.

    About Zosurabalpin

    • Development Process: The antibiotic originated from a tethered macrocyclic peptide (MCP) selectively targeting A. baumannii and was optimized for efficacy and tolerability.
    • Novel Mode of Action: Zosurabalpin operates through a previously unknown mechanism, inhibiting the transport of lipopolysaccharide (LPS) in bacteria.
    • Inhibition of LPS Transport: By blocking a protein complex essential for LPS transport to the bacterial surface, zosurabalpin disrupts the outer membrane structure of Gram-negative bacteria, leading to bacterial death.

    Effectiveness and Clinical Trials

    • Laboratory and Animal Studies: Zosurabalpin demonstrated effectiveness against over 100 CRAB clinical samples in the lab and significantly reduced bacterial levels in mice with CRAB-induced pneumonia and sepsis.
    • Phase I Clinical Trials: The antibiotic has undergone evaluation in two phase I clinical trials, marking the initial steps towards potential human use.

    Implications and Future Prospects

    • Addressing Antibiotic Resistance: The discovery of zosurabalpin offers hope in the fight against antibiotic-resistant bacteria, a growing global health concern.
    • Potential Clinical Application: If further trials are successful, zosurabalpin could become a vital tool in treating infections caused by drug-resistant Acinetobacter baumannii.
    • Continued Research: Ongoing and future studies will be crucial to fully understand the antibiotic’s safety, efficacy, and potential resistance mechanisms.
  • [pib] Kochi-Lakshadweep Islands Submarine Optical Fiber Connection (KLI-SOFC) Project

    kochi

    Introduction

    • The Prime Minister has inaugurated Kochi-Lakshadweep islands submarine optical fiber connection (KLI-SOFC) project.

    About KLI-SOFC Project

    • The KLI-SOFC project extends submarine cable connectivity from Kochi to eleven Lakshadweep Islands, including Kavaratti, Agatti, and Minicoy.
    • The project aims to provide high-speed wireline broadband connectivity through FTTH and 5G/4G Mobile networks to the Lakshadweep Islands population.
    • Funded by the Universal Services Obligation Fund (USOF), Department of Telecommunication.
    • The total link distance of the project is 1,868 kms.
    • Implementing agencies include BSNL as the Project Executing Agency and M/s NEC Corporation India Pvt Ltd for contract work.

    Benefits of the Project

    • Contributes to ‘Digital India’ and ‘National Broadband Mission’, enabling e-governance projects in Lakshadweep.
    • Boosts E-Governance, Tourism, Education, Health, Commerce, and Industries, potentially improving living standards and accelerating social and economic development.
    • The bandwidth created will be available to all Telecom Service Providers (TSPs) to enhance telecom services in the Lakshadweep Islands.
  • Tiger Sightings in Buxa National Park

    buxa

    Introduction

    • Camera traps in the Buxa National Park, West Bengal captured images of a tiger, reigniting hopes among forest officials and experts.
    • The last sighting before December 2021 was 23 years ago, indicating the tiger’s absence from the reserve for decades.

    Buxa Tiger Reserve: Geography and Ecology

    Details
    Location Alipurduar district, West Bengal, India. Near the Bhutan border.
    Establishment Created in 1983 as a tiger reserve; declared a national park in January 1992.
    Area Total area of approx. 760 sq km (core area: 390 sq km, buffer zone: 370 sq km).
    Ecological Significance Part of the Eastern Himalayan subregion, known for its unique biodiversity.
    Geographical Connectivity Shares a northern boundary with Bhutan. Connected with Bhutanese forests, Kochugaon forests, Manas Tiger Reserve, and Jaldapara National Park.

    Reasons for the Tiger’s Return

    • Habitat Improvement: Efforts to reduce human interference, expand grasslands, and increase the prey base have created a more suitable habitat for tigers.
    • Conservation Measures: The introduction of chital (spotted deer) as prey and the creation of watering holes have been part of these efforts.

    Conservation Initiatives and Future Plans

    • Tiger Augmentation Project: Launched in 2018, this project involves the state forest department, Wildlife Institute of India, and the National Tiger Conservation Authority.
    • Village Relocation: Plans to relocate villages from the core area aim to reduce human presence and further improve the habitat.
    • Expert Insights: Scientists note the importance of habitat connectivity between Bhutan and Buxa and the reduction of human disturbances as key factors in attracting tigers back to Buxa.