💥UPSC 2027,2028 Mentorship (April Batch) + Access XFactor Notes & Microthemes PDF

Type: Prelims Only

  • Economic Indicators and Various Reports On It- GDP, FD, EODB, WIR etc

    Credit Ratings Agency and their Significance

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Credit Rating Agency

    Mains level: Not Much

    credit

    Fitch Ratings on December 20, 2022, retained its rating for India at ‘BBB’-with a stable outlook.

    What does BBB mean?

    • A ‘BBB’ rating indicates that expectations of default risk are currently low.
    • The capacity for payment of financial commitments is considered adequate, but adverse business or economic conditions are more likely to impair this capacity.

    What is a Rating Agency?

    • Rating agencies assess the creditworthiness or potential of an equity, debt or country.
    • Their reports are read by investors to make an informed decision on whether or not to invest in a particular country or companies in that geography.
    • They assess if a country, equity or debt is financially stable and whether it at a low/high default risk.
    • In simpler terms, these reports help investors gauge if they would get a return on their investment.

    What do they do?

    credit

    • The agencies periodically re-evaluate previously assigned ratings after new developments geopolitical events or a significant economic announcement by the concerned entity.
    • Their reports are sold and published in financial and daily newspapers.

    What grading pattern do they follow?

    • The three prominent ratings agencies, viz., Standard & Poor’s, Moody’s and Fitch subscribe to largely similar grading patterns.
    • Standard & Poor’s accord their highest grade, that is, AAA, to countries, equity or debt with the exceedingly high capacity to meet their financial commitments.
    • Its grading slab includes letters A, B and C with an addition a single or double letter denoting a higher grade.
    • Moody’s separates ratings into short and long-term definitions. Its longer-term grading ranges from Aaa to C, with Aaa being the highest.
    • Fitch, too, rates from AAA to D, with D being the lowest. It follows the same succession scheme as Moody’s and Fitch.

    Criticism of rating agencies

    • Popular ratings agencies publicly reveal their methodology, which is based on macroeconomic data publicly made available by a country, to lend credibility to their inferences.
    • However, credit rating agencies were subjected to severe criticism for allegedly spurring the financial crisis in the United States, which began in 2017.
    • The agencies underestimated the credit risk associated with structured credit products and failed to adjust their ratings quickly enough to deteriorating market conditions.
    • They were charged for methodological errors and conflict of interest on multiple counts.

    Do countries pay attention to ratings agencies?

    • Lowered rating of a country can potentially cause panic selling or offloading of investment by a foreign investor.
    • In 2013, the European Union opted for regulating the agencies.
    • Over reliance on credit ratings may reduce incentives for investor to develop their own capacity for credit risk assessment.
    • Ratings Agencies in the EU are now permitted to issue ratings for a country only thrice a year, and after close of trade in the entire Union.

     

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  • Climate Change Negotiations – UNFCCC, COP, Other Conventions and Protocols

    What are Carbon Markets and how do they operate? 

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Carbon Trading

    Mains level: Read the attached story

    carbon

    The Parliament passed the Energy Conservation (Amendment) Bill, 2022. It amends the Energy Conservation Act, 2001, to empower the Government to establish carbon markets in India and specify a carbon credit trading scheme.

    A quick recap

    • In order to keep global warming within 2°C, ideally no more than 1.5°C, global greenhouse gas (GHG) emissions need to be reduced by 25 to 50% over this decade.
    • Nearly 170 countries have submitted their nationally determined contributions (NDCs) so far as part of the 2015 Paris Agreement, which they have agreed to update every five years.
    • NDCs are climate commitments by countries setting targets to achieve net-zero emissions.
    • India, for instance, is working on a long-term roadmap to achieve its target of net zero emissions by 2070.

    What are Carbon Markets?

    • In order to meet NDCs, one mitigation strategy is becoming popular with several countries— carbon markets.
    • Article 6 of the Paris Agreement provides for the use of international carbon markets by countries to fulfil their NDCs.
    • Carbon markets are essentially a tool for putting a price on carbon emissions— they establish trading systems where carbon credits or allowances can be bought and sold.
    • A carbon credit is a kind of tradable permit that, per United Nations standards, equals one tonne of carbon dioxide removed, reduced, or sequestered from the atmosphere.
    • Carbon allowances or caps, meanwhile, are determined by countries or governments according to their emission reduction targets.

    Popularity of the carbon markets

    • A UN Development Program release this year noted that interest in carbon markets is growing globally.
    • Almost 83% of NDCs submitted by countries mention their intent to make use of international market mechanisms to reduce greenhouse gas emissions.

    What are the types of carbon markets?

    There are broadly two types of carbon markets that exist today— compliance markets and voluntary markets.

    (A) Voluntary Markets

    • They are those in which emitters— corporations, private individuals, and others— buy carbon credits to offset the emission of one tonne of CO 2 or equivalent greenhouse gases.
    • Such carbon credits are created by activities which reduce CO 2 from the air, such as afforestation. In a voluntary market, a corporation looking to compensate for its unavoidable GHG emissions purchases carbon credits from an entity engaged in projects that reduce, remove, capture, or avoid emissions.
    • For Instance, in the aviation sector, airlines may purchase carbon credits to offset the carbon footprints of the flights they operate.
    • In voluntary markets, credits are verified by private firms as per popular standards.
    • There are also traders and online registries where climate projects are listed and certified credits can be bought.

    (B) Compliance Market

    • Compliance markets— set up by policies at the national, regional, and/or international level— are officially regulated.
    • Today, compliance markets mostly operate under a principle called ‘cap-and-trade”, most popular in the European Union (EU).

    Successful example of Carbon Market: EU’s emissions trading system (ETS)

    • Under the EU’s ETS launched in 2005, member countries set a cap or limit for emissions in different sectors, such as power, oil, manufacturing, agriculture, and waste management.
    • This cap is determined as per the climate targets of countries and is lowered successively to reduce emissions.
    • Entities in this sector are issued annual allowances or permits by governments equal to the emissions they can generate.
    • If companies produce emissions beyond the capped amount, they have to purchase additional permit, either through official auctions or from companies.
    • This makes up the ‘trade’ part of cap-and-trade.

    How is carbon price determined?

    • The market price of carbon gets determined by market forces when purchasers and sellers trade in emissions allowances.
    • Notably, companies can also save up excess permits to use later.
    • Through this kind of carbon trading, companies can decide if it is more cost-efficient to employ clean energy technologies or to purchase additional allowances.
    • These markets may promote the reduction of energy use and encourage the shift to cleaner fuels.

    Other such examples

    • China launched the world’s largest ETS in 2021, estimated to cover around one-seventh of the global carbon emissions from the burning of fossil fuels.
    • Markets also operate or are under development in North America, Australia, Japan, South Korea, Switzerland, and New Zealand.

    Significance of Carbon Market

    • The World Bank estimates that trading in carbon credits could reduce the cost of implementing NDCs by more than half — by as much as $250 billion by 2030.
    • Last year, the value of global markets for tradable carbon allowances or permits grew by 164% to a record 760 billion euros ($851 billion).
    • The EU’s ETS contributed the most to this increase, accounting for 90% of the global value at 683 billion euros.
    • As for voluntary carbon markets, their current global value is comparatively smaller at $2 billion.

    What is the progress at UN?

    • The UN international carbon market envisioned in Article 6 of the Paris Agreement is yet to kick off as multilateral discussions are still underway about how the inter-country carbon market will function.
    • Under the proposed market, countries would be able to offset their emissions by buying credits generated by greenhouse gas-reducing projects in other countries.
    • In the past, developing countries, particularly India, China and Brazil, gained significantly from a similar carbon market under the Clean Development Mechanism (CDM) of the Kyoto Protocol, 1997.
    • India registered 1,703 projects under the CDM which is the second highest in the world.
    • But with the 2015 Paris Agreement, the global scenario changed as even developing countries had to set emission reduction targets.

    India’s efforts

    The new Bill empowers the Centre to specify a carbon credits trading scheme.

    • Issuance of credit certificates: Under the Bill, the central government or an authorised agency will issue carbon credit certificates to companies or even individuals registered and compliant with the scheme.
    • Tradable carbon credits: These carbon credit certificates will be tradeable in nature. Other persons would be able to buy carbon credit certificates on a voluntary basis.

    Existing mechanisms

    • Notably, two types of tradeable certificates are already issued in India-
    1. Renewable Energy Certificates (RECs) and
    2. Energy Savings Certificates (ESCs)
    • These are issued when companies use renewable energy or save energy, which are also activities which reduce carbon emissions.

    Lacunas of the bill

    • No clear mechanism: The Bill does not provide clarity on the mechanism to be used for the trading of carbon credit certificates— whether it will be like the cap-and-trade schemes or use another method— and who will regulate such trading.
    • Confusion over nodal agency: The right ministry to bring in a scheme of this nature, pointing out that while carbon market schemes in other jurisdictions like the US, UK are framed by their environment ministries, the Indian Bill was tabled by the power ministry instead of the MoEFCC.
    • Ambiguity over existing certificates: The Bill does not specify whether certificates under already existing schemes would also be interchangeable with carbon credit certificates and tradeable for reducing carbon emissions.
    • Overlapping: The question, thus, is whether all these certificates could be exchanged with each other. There are concerns about whether overlapping schemes may dilute the overall impact of carbon trading.

    Challenges to carbon markets

    • Double counting: of greenhouse gas reductions
    • Quality and authenticity: These parameters of climate projects that generate credits to poor market transparency
    • Greenwashing: Companies may buy credits, simply offsetting carbon footprints instead of reducing their overall emissions or investing in clean technologies.
    • Inefficiency: The IMF points out that including high emission-generating sectors under trading schemes to offset their emissions by buying allowances may immensely increase emissions on net.

    Way forward

    • Alignment with NDCs: The UNDP emphasizes that for carbon markets to be successful, emission reductions and removals must be real and aligned with the country’s NDCs.
    • Transparent financing: It says that there must be “transparency in the institutional and financial infrastructure for carbon market transactions”.

     

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  • Climate Change Negotiations – UNFCCC, COP, Other Conventions and Protocols

    Historic biodiversity deal gets the nod at COP15 summit in Canada

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: CBD

    Mains level: Read the attached story

    biodiversity

    Negotiators reached a historic deal at a UN Convention on Biological Diversity (CBD) conference that would represent the most significant effort to protect the world’s lands and oceans and provide critical financing to save biodiversity in the developing world.

    Key outcomes

    [A] 30×30 Deal

    • Delegates committed to protecting 30% of land and 30% of coastal and marine areas by 2030, fulfilling the deal’s highest-profile goal, known as 30-by-30.
    • Currently, 17% of terrestrial and 10% of marine areas are protected.
    • Indigenous and traditional territories will also count toward this goal, as many countries and campaigners pushed for during the talks.
    • The deal also aspires to restore 30% of degraded lands and waters throughout the decade, up from an earlier aim of 20%.
    • And the world will strive to prevent destroying intact landscapes and areas with a lot of species, bringing those losses “close to zero by 2030”.

    [B] Money for nature

    • Signatories aim to ensure $200 billion per year is channeled to conservation initiatives, from public and private sources.
    • Wealthier countries should contribute at least $20 billion of this every year by 2025, and at least $30 billion a year by 2030.
    • This appeared to be the Democratic Republic of Congo’s main source of objection to the package.

    [C] Big companies report impacts on biodiversity

    • Companies should analyse and report how their operations affect and are affected by biodiversity issues.
    • The parties agreed to large companies and financial institutions being subject to “requirements” to make disclosures regarding their operations, supply chains and portfolios.
    • This reporting is intended to progressively promote biodiversity, reduce the risks posed to business by the natural world, and encourage sustainable production.

    [D] Harmful subsidies

    • Countries committed to identify subsidies that deplete biodiversity by 2025, and then eliminate, phase out or reform them.
    • They agreed to slash those incentives by at least $500 billion a year by 2030, and increase incentives that are positive for conservation.

    [E] Pollution and pesticides

    • One of the deal’s more controversial targets sought to reduce the use of pesticides by up to two-thirds.
    • But the final language to emerge focuses on the risks associated with pesticides and highly hazardous chemicals instead, pledging to reduce those threats by “at least half”, and instead focusing on other forms of pest management.
    • Overall, the Kunming-Montreal agreement will focus on reducing the negative impacts of pollution to levels that are not considered harmful to nature, but the text provides no quantifiable target here.

    [F] Monitoring and reporting progress

    • All the agreed aims will be supported by processes to monitor progress in the future, in a bid to prevent this agreement meeting the same fate as similar targets that were agreed in Aichi, Japan, in 2010, and never met.
    • National action plans will be set and reviewed, following a similar format used for greenhouse gas emissions under U.N.-led efforts to curb climate change.
    • Some observers objected to the lack of a deadline for countries to submit these plans.

    Back2Basics: Convention on Biological Diversity (CBD)

    • The CBD (wef 1993) known informally as the Biodiversity Convention, is a multilateral treaty.
    • The convention has three main goals:
    1. the conservation of biodiversity
    2. the sustainable use of its components
    3. the fair and equitable sharing of benefits arising from genetic resources
    • Its objective is to develop national strategies for the conservation and sustainable use of biological diversity, and it is often seen as the key document regarding sustainable development.
    • It has two supplementary agreements, the Cartagena Protocol and Nagoya Protocol.

    (1) Cartagena Protocol

    • It is an international treaty governing the movements of living modified organisms (LMOs) resulting from modern biotechnology from one country to another.

    (2) Nagoya Protocol

    • It deals with Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization (ABS).

     

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  • Modern Indian History-Events and Personalities

    In news: Goa Liberation Day

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Goa Liberation Day

    Mains level: Decolonization in India

    goa

    The President of India tweeted her greetings to the nation on December 19, marking Goa Liberation Day, which is celebrated annually to mark the success of ‘Operation Vijay’ undertaken by the Indian armed forces to defeat Portuguese colonial forces and liberate Goa in 1961.

    What is the news?

    • Goa was liberated 15 years after India attained freedom.
    • Last year PM Modi accused Nehru as guilty of leaving satyagrahis in the dismay, refusing to send the Indian Army to liberate Goa, even after 25 of them were shot dead by the Portuguese Army.

    Goa’s Colonization: A backgrounder

    • Goa became a Portuguese colony in 1510, when Admiral Afonso de Albuquerque defeated the forces of the sultan of Bjiapur, Yusuf Adil Shah.
    • The next four and a half centuries saw one of Asia’s longest colonial encounters — Goa found itself at the intersection of competing regional and global powers.
    • It received a religious and cultural ferment that lead eventually to the germination of a distinct Goan identity that continues to be a source of contestation even today.
    • By the turn of the twentieth century, Goa had started to witness an upsurge of nationalist sentiment opposed to Portugal’s colonial rule, in sync with the anti-British nationalist movement.

    Beginning of freedom movement

    • Tristao de Braganza Cunha, celebrated as the father of Goan nationalism, founded the Goa National Congress at the Calcutta session of the Indian National Congress in 1928.
    • In 1946, the socialist leader Ram Manohar Lohia led a historic rally in Goa that gave a call for civil liberties and freedom, and eventual integration with India.
    • This event became a watershed moment in Goa’s freedom struggle.
    • At the same time, there was a thinking that civil liberties could not be won by peaceful methods, and a more aggressive armed struggle was needed.
    • This was the view of the Azad Gomantak Dal (AGD), whose co-founder Prabhakar Sinari is one of the few freedom fighters still living today.
    • Finally, Goa was liberated on December 19, 1961 by swift Indian military action that lasted less than two days.

    Recognition of Goa

    • The Supreme Court of India recognized the validity of the annexation and rejected the continued applicability of the law of occupation.
    • In a treaty with retroactive effect, Portugal recognized Indian sovereignty in 1974.
    • Under the jus cogens rule, forceful annexations including the annexation of Goa are held as illegal since they have taken place after the UN Charter came into force.

    Why was Goa left un-colonized?

    As India moved towards independence, however, it became clear that Goa would not be free any time soon, because of a variety of complex factors.

    • No immediate war: Then PM Nehru felt that if he launched a military operation (like in Hyderabad) to oust the colonial rulers, his image as a global leader of peace would be impacted.
    • Trauma of Partition: The trauma of Partition and the massive rupture that followed, coupled with the war with Pakistan, kept the Government of India from opening another front.
    • Internationalization of the issue: This might have led the international community to get involved.
    • No demand from within: It was Gandhi’s opinion that a lot of groundwork was still needed to raise the consciousness of the people, and the diverse political voices emerging within be brought under a common umbrella.

    Nehruvian dilemma

    • India’s global image: Nehru was headed in shaping India’s position in the comity of nations.
    • Trying peaceful options: He was trying to exhaust all options available to him given the circumstances that India was emerging from.
    • Portuguese obsession: Portugal had changed its constitution in 1951 to claim Goa not as a colonial possession, but as an overseas province.
    • Portugal in NATO: The move was apparently aimed at making Goa a part of the newly formed North Atlantic Treaty Organisation (NATO) military alliance. Hence the collective security clause of the treaty would be triggered.
    • Weak indigenous push: Nehru saw it prudent to pursue bilateral diplomatic measures with Portugal to negotiate a peaceful transfer while, at the same time, a more ‘overt’ indigenous push for liberation.

    Why did Nehru wait until December 1961 to launch a full-scale military offensive?

    India could no longer be seen to delay the liberation of Goa because:

    • Portuguese offensive against Satyagrahis: The firing incident also provoked a sharp response from the Government of India, which snapped diplomatic and consular ties with Portugal in 1955.
    • India as torchbearer of de-colonization: India got itself firmly established as a leader of the Non Aligned World and Afro-Asian Unity, with decolonization and anti-imperialism as the pillars of its policy.
    • Criticisms from African nations: An Indian Council of Africa seminar on Portuguese colonies organized in 1961 heard strong views from African as this was hampering their own struggles against the ruthless regime.
    • Weakening Colonialism: The delegates were certain that the Portuguese empire would collapse the day Goa was liberated.

     

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  • UK’s Rwanda asylum seeker deportation plan is lawful, court rules

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Location of Rwanda

    Mains level: Not Much

    rwanda

    Britain’s plan to send migrants to Rwanda is lawful, London’s High Court ruled, in a victory for PM Rishi Sunak who has made a high-stakes political promise to tackle the record number of migrant arrivals.

    Immigrant’s crisis in UK

    • Since 2018, there has been a marked rise in the number of refugees and asylum seekers that undertake dangerous crossings between Calais in France and Dover in England.
    • Most such migrants and asylum seekers hail from war-torn countries like Sudan, Afghanistan, and Yemen, or developing countries like Iran and Iraq.
    • The Britain that has adopted a hardline stance on illegal immigration, these crossings constitute an immigration crisis.
    • The Nationality and Borders Bill, 2021, which is still under consideration in the UK, allows the British government to strip anyone’s citizenship without notice under “exceptional circumstances”.
    • The Rwanda deal is the operationalization of one objective in the Bill which is to deter illegal entry into the United Kingdom.

    What is the Rwanda Deal?

    • The UK and Rwanda Migration and Economic Development Partnership or the Rwanda Deal is a Memorandum of Understanding (MoU) signed between the two governments.
    • Under this deal, Rwanda will commit to taking in asylum seekers who arrive in the UK on or after January 1, 2022, using illegally facilitated and unlawful cross border migration.
    • Rwanda will function as the holding centre where asylum applicants will wait while the Rwandan government makes decisions about their asylum and resettlement petitions in Rwanda.
    • Rwanda will, on its part, accommodate anyone who is not a minor and does not have a criminal record.

    Rationale of the deal

    • The deal aims to combat “people smugglers”, who often charge exorbitant prices from vulnerable migrants to put them on unseaworthy boats from France to England that often lead to mass drownings.
    • The UK contends that this solution to the migrant issue is humane and meant to target the gangs that run these illegal crossings.

    What will the scheme cost the UK?

    • The UK will pay Rwanda £120 million as part of an “economic transformation and integration fund” and will also bear the operational costs along with an, as yet undetermined, amount for each migrant.
    • Currently, the UK pays £4.7 million per day to accommodate approximately 25,000 asylum seekers.
    • At the end of 2021, this amounted to £430 million annually with a projected increase of £100 million in 2022.
    • The Rwanda Deal is predicted to reduce these costs by outsourcing the hosting of such migrants to a third country.

    Will the Rwanda Deal solve the problem of illegal immigration?

    • This deal will be implemented in a matter of weeks unless it is challenged and stayed by British courts.
    • While Boris Johnson’s government is undoubtedly bracing for such legal challenges, it remains unclear if the Rwanda Deal will solve the problem of unlawful crossings.
    • Evidence from similar experiences indicates that such policies do not fully combat “people smuggling”.

    Criticisms of the deal

    • There are dangers of transferring refugees and asylum seekers to third countries without sufficient safeguards.
    • The refugees are traded like commodities and transferred abroad for processing.
    • Such arrangements simply shift asylum responsibilities, evade international obligations, and are contrary to the letter and spirit of the Refugee Convention.
    • Rwanda also has a known track record of extrajudicial killings, suspicious deaths in custody, unlawful or arbitrary detention, torture, and abusive prosecutions, particularly targeting critics and dissidents.

    Do any other countries send asylum seekers overseas?

    • Yes, several other countries — including Australia, Israel and Denmark — have been sending asylum seekers overseas.
    • Australia has been making full use of offshore detention centres since 2001.
    • Israel, too, chose to deal with a growing influx of asylum seekers and illegal immigrants from places like Sudan and Eritrea by striking deals with third countries.
    • Those rejected for asylum were given the choice of returning to their home country or accepting $3,500 and a plane ticket to one of the third countries.
    • They faced the threat of arrest if they chose to remain in Israel.

     

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  • Indian Navy Updates

    Missile destroyer INS Mormugao commissioned into Indian Navy

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: INS Mormugao

    Mains level: Indian navy modernization

    mormugaon

    Indian Naval Ship (INS) Mormugao (Pennant 67), a P15B stealth-guided missile destroyer was commissioned into the Indian Navy.

    INS Mormugao 

    • This was the second ship to be inducted as a part of the four ‘Visakhapatnam’ class destroyers.
    • It is indigenously designed by the Navy’s in-house organisation Warship Design Bureau and constructed by Mazagaon Dock Shipbuilders Limited (MDL) in the country’s financial capital Mumbai.
    • The ship was named after a key port in the Indian state of Goa, it was inducted on the eve of Goa Liberation Day.
    • The ship was first launched in September 2016 and began sea trials last year on December 19 which coincided with the day that Goa was liberated from Portuguese rule six decades earlier with December 18 marking the launch of Operation Vijay by the Indian Armed Forces in 1961.
    • Singh also paid tributed former defence minister, the late Manohar Parrikar who had launched INS Mormugao in 2016.

    Features of INS Mormugao

    • The ship measures 163 metres by 17 metres and has the ability to fight in nuclear, biological, as well as chemical (NBC) warfare due to its total atmospheric control system (TACS).
    • Additionally, with a displacement of 7,400 tonnes, the INS Mormugao is loaded with state-of-the-art weapons.
    • It will be operated by a crew of at least 350 which would include 50 officers and 250 sailors.
    • Over 75 per cent of the ship’s content was manufactured and developed in India, either directly or designed and developed by Indian Original Equipment Manufacturers (OEMs) or through strategic tie-ups.
    • It is capable of achieving speeds of 30 knots (55 km/hour) as it is propelled by four powerful gas turbines in a ‘combined gas and gas’ (COGAG) configuration.

    Combat weaponry

    • INS Mormugao includes weapons like BrahMos surface-to-surface missiles and Barak-8 surface-to-air missiles.
    • It is also fitted with a modern surveillance radar which helps provide target data to the ship’s weapon system.
    • Additionally, the ship’s weaponry also includes indigenously-developed rocket launchers, torpedo launchers and ASW helicopters like Sea King or HAL Dhruv.

    Historic significance of Mormugao Port

    • Even as a port, Mormugao has contributed significantly to the growth of India’s maritime trade.
    • Even today, it is one of the oldest and largest ports in the country and will retain this special place due to the services it provides be it Mormugao fort or Mormugao port.
    • It is landmark since the 17th century Maratha campaign against the Portuguese under Chhatrapati Sambhaji (Ch. Shivaji Maharaj’s son).

    Back2Basics: Project PB15

    • P15B destroyers is a class of four ships built by the country’s MDSL with INS Visakhapatnam (Pennant D66), commissioned last year in November as the year.
    • These ships are set to be more advanced than the Kolkata class under the project named 15A which comprised INS Kolkata, INS Kochi, and INS Chennai.
    • The contract for the ships was signed back in 2011 and under Project 15B they were to be named after four major Indian cities like Visakhapatnam, Mormugao, Imphal, and Surat.
    • A group of ships with similar tonnage, usage, capabilities, and weaponry are referred to as a ship’s ‘class’.
    • P15B destroyers incorporate new design concepts for improved survivability, seakeeping and manoeuvrability.

     

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  • Innovations in Biotechnology and Medical Sciences

    Why banyan, peepal trees live longer?

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Multiple Signs of Adaptive-evolution (MSA)

    Mains level: NA

    banyan

    Researchers at the Indian Institute of Science Education and Research (IISER) Bhopal have found out the carried out whole genome sequencing of banyan and peepal from leaf tissue samples.

    Science behind long life: Multiple Signs of Adaptive-evolution (MSA)

    • Scientists identified 25,016 coding gene sequences in banyan and 23,929 in peepal.
    • Both trees faced a population bottleneck around 0.8 million years ago and evolved genes with multiple signs of adaptive evolution (MSA).
    • In banyan, the MSA genes are mainly involved in root growth, pollen tube and seed development, leaf formation, cell wall synthesis, metabolism and other developmental processes.

    How MSA prolongs the life?

    • Disease resistance and other stress tolerance gene families showed expansion as well as high expression, contributing to the plants’ long lifespan.
    • The MSA genes of peepal are associated with root cell elongation, cell proliferation, seed and pollen tube growth, lateral organ development, controlling flowering time, metabolism and intracellular transport.
    • The team zeroed in on 17 MSA genes in banyan and 19 MSA genes in peepal that are mainly related to well-developed morphology, and tolerance against drought, oxidative stress and pathogens.
    • Genes involved in growth-regulating auxin signalling and plant senescence-regulating pathways also showed evolutionary signatures.
    • Also, 88% and 89% of the MSA genes in banyan and peepal trees, respectively, are associated with tolerance against biotic and abiotic stress responses.
    • This, in turn, helps these plants to survive when faced with environmental challenges.

     

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  • Innovations in Biotechnology and Medical Sciences

    How can mRNA vaccines help fight cancer?

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: mRNA Vaccine

    Mains level: Not Much

    mrna

    The results of a trial of an experimental cancer vaccine built on the mRNA (messenger ribonucleic acid) platform, made by Moderna and MSD (Merck&Co.), have shown promising results.

    What is mRNA?

    mrna

    • Messenger RNA (mRNA) is a single-stranded RNA (Ribo Nucleic Acid) molecule that is complementary to one of the DNA strands of a gene.
    • The mRNA is an RNA version of the gene that leaves the cell nucleus and moves to the cytoplasm where proteins are made.
    • During protein synthesis, an organelle called a ribosome moves along the mRNA, reads its base sequence, and uses the genetic code to translate each three-base triplet, or codon, into its corresponding amino acid.

    What are mRNA vaccines?

    • mRNA vaccines work by introducing a piece of mRNA that corresponds to a viral protein, usually a small piece of a protein found on the virus’s outer membrane.
    • Individuals who get an mRNA vaccine are not exposed to the virus, nor can they become infected with the virus by the vaccine.
    • As part of a normal immune response, the immune system recognizes that the protein is foreign and produces specialized proteins called antibodies.
    • Antibodies help protect the body against infection by recognizing individual viruses or other pathogens, attaching to them, and marking the pathogens for destruction.
    • Once produced, antibodies remain in the body, even after the body has rid itself of the pathogen, so that the immune system can quickly respond if exposed again.

    How does the vaccine work?

    • The personalized cancer vaccine uses the same messenger-RNA technology that was used to produce the COVID vaccine.
    • It allows the body’s immune system to seek and destroy cancerous cells, in this case melanoma, but with the hope that it could lead to new ways to fight other types of cancers too.

    Why is it a significant feat?

    • The cancer vaccine showed a 44% reduction in the risk of dying of cancer or having the cancer progress.
    • As a personalized cancer vaccine, it is tailor-made for every patient.
    • As a consequence, it is expected to be very expensive to make.
    • But oncologists across the world have welcomed this as an exciting new opportunity in cancer care.

     

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  • Innovations in Biotechnology and Medical Sciences

    What is DNA Fingerprinting?

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: DNA Fingerprinting

    Mains level: Advanced criminology

    dna

    Delhi Police has established identity of a victim of brutal murder and mutilation by DNA fingerprinting.

    What is DNA fingerprinting?

    • DNA fingerprinting was first developed in 1984 by Alec Jeffreys in the UK, after Jeffreys discovered that no two people could have the same DNA sequence.
    • Within three years of the discovery, the UK achieved the world’s first conviction based on DNA evidence in a case of rape and murder.

    How is DNA fingerprinting done?

    • Each person’s DNA, except for identical twins, is unique.
    • By analyzing selected DNA sequences (called loci), a crime laboratory can develop a profile to be used in identifying a suspect.
    • DNA can be extracted from many sources, such as hair, bone, teeth, saliva, and blood.
    • Because there is DNA in most cells in the human body, even a minuscule amount of bodily fluid or tissue can yield useful information.
    • Samples may even be extracted from used clothes, linen, combs, or other frequently used items.

     

    Deoxyribonucleic Acid (DNA)

    • DNA is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA.
    • Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
    • Mitochondria are structures within cells that convert the energy from food into a form that cells can use.
    • The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T).
    • Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people.
    • The order, or sequence, of these bases determines the information available for building and maintaining an organism, similar to the way in which letters of the alphabet appear in a certain order to form words and sentences.

    How it is used in criminal investigation?

    • DNA evidence is used to solve crimes in two ways:
    1. If a suspect is known, that person’s DNA sample can be compared to biological evidence found at a crime scene to establish whether the suspect was at the crime scene or whether they committed the crime.
    2. If a suspect is not known, biological evidence from the crime scene can be analyzed and compared to offender profiles in existing DNA databases to assist in identifying a suspect.
    • Beyond its accuracy, DNA fingerprinting can also sift through crime scene evidence in different ways, previously unavailable to investigators.
    • For instance, advanced DNA fingerprinting can make separate prints of various individuals even from a sample mixture found at the crime scene — this is of help during gang rape investigations as each perpetrator can be individually identified.

    DNA fingerprinting in India

    • By 1988, Lalji Singh, who had been in the UK from 1974 to 1987 on a Commonwealth Fellowship, developed DNA fingerprinting for crime investigations in Hyderabad.
    • Today, Lalji Singh, who passed away in 2017, is known as “the father of DNA fingerprinting in India.”
    • In 1989, DNA fingerprinting was first used in a case by the Kerala Police.
    • By the early 1990s, the technology had begun to be used for establishing paternity, and to link criminals and identify victims in sensational crimes.
    • From the 2000s onwards, the technology became a staple in rape cases where vaginal swab samples were matched with semen samples from suspects.

    Challenges with DNA fingerprinting in India

    • It is vital to ensure that the DNA of the investigators does not get mixed with that of the victims or the suspects.
    • Thus, picking up samples from a crime scene with sterile tools and storing samples in a proper manner are crucial for the evidence to stand a judicial test.
    • While India has rules and guidelines regarding this, India’s police forces have a lot of catching up to do with counterparts overseas.
    • While central agencies such as CBI have the expertise to ensure that crime scenes are protected and correct procedure is followed, state police forces are inadequately trained or fully equipped.

    Issues with such technology

    • The problem is not limited to the police awareness.
    • The capacity for DNA fingerprinting in the country itself is lacking.
    • DNA fingerprinting is available only at a few places — Maharashtra, West Bengal, Delhi, Hyderabad and Chandigarh.
    • Advanced practices in the technology are limited to the Centre for DNA Fingerprinting and Diagnostics (CDFD) in Hyderabad.

     

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  • GI(Geographical Indicator) Tags

    Kerala’s 5 agricultural products get GI Tag

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: GI Tag

    Mains level: Contribution of GI tags in rural economy

    gi

    Five agricultural products of Kerala have been granted Geographical Indication (GI) status.

    Which are the 5 GI products?

    • These are the latest Geographical Indications that have been registered-
    1. Attappady Attukombu Avara: It cultivated in the Attappady region of Palakkad, is curved like a goat’s horn as its name indicates. Its higher anthocyanin content compared to other dolichos beans imparts violet colour in the stem and fruits. Anthocyanin is helpful against cardiovascular diseases along with its antidiabetic properties. Other than this, calcium, protein, and fibre content are also high. The higher phenolic content of imparts resistance against pest and diseases, making the crop suitable for organic cultivation.
    2. Attappady Thuvara: It is having seeds with white coat. Compared to other red grams, Attappady Thuvara seeds are bigger and have higher seed weight. This delicious red gram, which is used as vegetable and dal, is rich in protein, carbohydrate, fibre, calcium and magnesium.
    3. Kanthalloor-Vattavada Veluthulli (garlic): Compared to the garlic produced in other areas, this garlic contains higher amount of sulphides, flavonoids, and proteins. It is rich in allicin, which is effective against microbial infections, blood sugar, cancer, cholesterol, heart diseases, and damages to blood vessels. The garlic cultivated in this area is also rich in essential oil.
    4. Onattukara Ellu and its oil: It is famous for its unique health benefits. Relatively higher antioxidant content in Onattukara Ellu helps in fighting the free radicals, which destroy the body cells. Also, the high content of unsaturated fat makes it beneficial for heart patients.
    5. Kodungalloor Pottuvellari: It is cultivated in Kodungalloor and parts of Ernakulam is consumed as juice and in other forms. This snap melon, which is harvested in summer, is an excellent for quenching thirst. It contains high amount of Vitamin C. Compared to other cucurbits, nutrients such as calcium, magnesium, fibre and fat content are also high in that.
    • The unique features of the products, imparted by the agro-climatic conditions of the geographical area of their production, are the basis for getting a GI tag.

    What are the other GIs tags awarded?

    Adding to the present collection of Geographical Indications (GIs), nine new items, including-

    1. Gamocha of Assam
    2. Tandur red gram of Telangana
    3. Raktsey Karpo apricot of Ladakh, and
    4. Alibag white onion of Maharashtra

     

    Do you know?

    Karnataka and Tamil Nadu are states with the highest number of GI tags, followed by Kerala (35), Uttar Pradesh (34), and Maharashtra (31).

     

    About GI Tag

    • Recognised by the World Trade Organization (WTO), GI is used to denote the geographical territory from where a product, be it agricultural produce, natural product, or manufactured.
    • It conveys the assurance of quality, distinctiveness, and attributes that are unique to that specific geographic region/place of origin.
    • India became a signatory to this convention, when, as a member of WTO, it enacted the Geographical Indications (Registration and Protection) Act, 1999, which came into effect on September 15, 2003.
    • To protect the GI of goods, a GI registry has been established to administer the GI of Goods (Registration and Protection) Act, 1999, under the Controller General of Patents, Designs & Trade Marks.

     

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