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Type: Prelims Only

  • GI(Geographical Indicator) Tags

    Cultivation of GI-tagged Onattukara Sesame

    Prelims Only | Agriculture | Mains Paper 3: Major Crops & Cropping Patterns

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Onattukara Ellu (Sesame)

    Mains level: NA

    Onattukara Sesame

    Context

    • Kerala is taking efforts to expand the cultivation of Geographical Indication (GI)-tagged Onattukara sesame, a unique and valuable agricultural product.
    • Onattukara sesame was granted the GI tag in January this year.

    Onattukara Sesame (Ellu )

    Description

    Region of Cultivation

    		 Primarily cultivated in the Onattukara region, covering Alappuzha, Kollam, and Pathanamthitta districts in Kerala, India.
    Medicinal Properties Onattukara sesame is known for its medicinal properties and high quality.
    Traditional Use Traditional ayurvedic doctors in the region have used Onattukara sesame oil for treating rheumatism and skin protection since the 18th century.
    Nutritional Value Rich in vitamin E and antioxidants. Contains essential fatty acids like oleic acid, linoleic acid, and palmitoleic acid.
    Varieties Grown in various varieties, including ‘ayali,’ Kayamkulam-1, thilak, thilathara, and thilarani, developed by ORARS, Kayamkulam.
    Market Potential Obtaining the GI tag is expected to increase its popularity and market value, leading to higher prices for sesame seeds and oil.
    Pricing Current prices: Sesame seeds – ₹200 to ₹250 per kilogram, Sesame oil – ₹500 to ₹600 per kilogram.

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  • GI(Geographical Indicator) Tags

    GI tag for Sea Buckthorn

    Prelims Only | Agriculture | Mains Paper 3: Intellectual Property Rights

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Sea Buckthorn

    Mains level: NA

    Sea Buckthorn

    Central Idea

    • The Geographical Indication Registry has officially granted the GI tag to ‘Ladakh Sea Buckthorn’.
    • It is the fourth GI tag after Apricot (Raktsey Karpo), Pashmina, and Ladakhi Wood Carving in Ladakh.

    About Sea Buckthorn

    • Sea buckthorn is a plant that grows in Europe and Asia.
    • In India, it’s found in the Himalayan region, especially in dry places like the cold deserts of Ladakh and Spiti.
    • This plant produces small orange or yellow berries that are sour but full of vitamins, especially vitamin C.
    • It can survive really hot and really cold temperatures, which makes it perfect for the cold deserts.
    • Every part of the plant—berries, leaves, twigs, roots, and thorns—are useful for medicine, food, fuel, and fencing.
    • It’s also a vital food source for many birds and provides nutritious food for animals like sheep, goats, donkeys, cattle, and camels in the cold desert regions.
    • It is often called the ‘Wonder Plant,’ ‘Ladakh Gold,’ ‘Golden Bush,’ or ‘Gold Mine’ of the cold deserts.

    Back2Basics: GI Tag

    • A GI is a sign used on products that have a specific geographical origin and possess qualities or a reputation that are due to that origin.
    • Nodal Agency: Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce and Industry
    • India, as a member of the World Trade Organization (WTO), enacted the Geographical Indications of Goods (Registration and Protection) Act, 1999 w.e.f. September 2003.
    • GIs have been defined under Article 22 (1) of the WTO Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) Agreement.
    • The tag stands valid for 10 years.

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  • Child Rights – POSCO, Child Labour Laws, NAPC, etc.

    How the mandatory reporting provision under POCSO works?

    Prelims Only | Governance | Mains Paper 2: Laws, Institutions & Bodies Constituted For The Vulnerable Sections

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: POCSO Act

    Mains level: Read the attached story

    Central Idea

    • In a recent decision, the Himachal Pradesh High Court ruled that the failure to report sexual crimes against minors is a bailable offence.
    • This ruling has raised significant legal questions regarding the interpretation of the Protection of Children from Sexual Offences (POCSO) Act, particularly with respect to the nature of the offence and its implications for pre-arrest bail.

    What is the POCSO Act?

     

    • The POCSO Act came into effect on November 14, 2012, following India’s ratification of the UN Convention on the Rights of the Child in 1992.
    • Its primary objective is to address offences related to the sexual exploitation and abuse of children, which were previously either not specifically defined or inadequately penalized.
    • According to the Act, a child is defined as any person below the age of 18 years.
    • In 2019, the Act underwent a review and amendment, introducing more stringent punishments (after Nirbhaya Case), including the death penalty, for those committing sexual crimes against children.

    Interpretation of the POCSO Act

    • Section 21 of POCSO Act: This section of the POCSO Act mandates the reporting of sexual offences against children. However, it does not explicitly specify whether the offence is bailable or not.
    • Reference to CrPC: The court, in its ruling, argued that since the POCSO Act does not provide clarity on the bailability of the offence, it should be determined by referring to the Code of Criminal Procedure (CrPC).
    • CrPC Classification: The CrPC classifies offences as either bailable or non-bailable based on the maximum punishment they entail. Offences punishable with imprisonment of less than three years are generally considered bailable and non-cognizable.
    • POCSO Act’s Penalty: Section 21 of the POCSO Act prescribes a penalty of imprisonment ranging from 6 months to 1 year. Consequently, this makes it fall within the category of bailable offences under the CrPC.

    Case Context

    • Allegations: The case in question involved a hotel manager accused of failing to report an offence committed against a minor, as mandated by Section 21 of the POCSO Act.
    • Main Accused: The main accused had committed a sexual assault on a minor schoolgirl and recorded a video of the incident in a hotel.
    • Legal Charges: The accused faced charges under Sections 376 (Rape) and 506 (Criminal Intimidation) of the Indian Penal Code, as well as Sections 6 and 21 of the POCSO Act, which address aggravated penetrative sexual assault and the failure to report sexual crimes against children.
    • Hotel Manager’s Involvement: The hotel manager was also named in the FIR due to the mandatory reporting provision under the POCSO Act.

    Mandatory Reporting Under POCSO

    • Section 19: Section 19 of the POCSO Act obliges “any person” who apprehends or has knowledge of a sexual offence against a child to report it to the Special Juvenile Police Unit (SJPU) or the police.
    • Penalty for Non-Reporting: Section 21 of the POCSO Act prescribes a penalty, including imprisonment, for failing to report such offences.
    • Exemptions: Children are not held liable for failing to report sexual offences, and those making false complaints are also exempt from punishment under Section 22 of the Act.

    Supreme Court’s Perspective

    • The seriousness of Non-Reporting: The Supreme Court has consistently held that the failure to report such cases is a serious crime, emphasizing the importance of reporting child sexual abuse.
    • Specific Obligations: In certain cases, the Supreme Court has placed additional obligations on professionals, such as medical practitioners and educators, to report child sexual abuse cases to appropriate authorities.

    Balancing Reporting Requirements with Privacy

    • SC’s Balance Attempt: In a recent case (X vs The Principal Secretary, Health and Family Welfare Department, Govt of NCT of Delhi), the Supreme Court sought to balance the mandatory reporting provision under POCSO with the confidentiality provision under the Medical Termination of Pregnancy Act, 1971.
    • Minors Seeking Medical Termination: The court recognized that minors may seek medical termination of pregnancies resulting from consensual sexual activity, and the mandatory reporting requirement might deter them from approaching qualified doctors.
    • Harmonious Interpretation: To ensure that minors’ rights to privacy and reproductive autonomy are protected, the court advocated for a harmonious interpretation of both the POCSO Act and the Medical Termination of Pregnancy Act.
    • Exemption for RMPs: The court suggested that registered medical practitioners, upon the request of minors and their guardians, can be exempted from disclosing a minor’s identity and personal details when reporting an offence under Section 19(1) of the POCSO Act or in any ensuing criminal proceedings.

    Conclusion

    • The Himachal Pradesh High Court’s ruling on the availability of the failure to report sexual crimes against minors has sparked discussions on the interpretation of the POCSO Act and its alignment with the CrPC.
    • Furthermore, the Supreme Court’s efforts to strike a balance between mandatory reporting requirements and minors’ privacy rights underscore the complexity of addressing child sexual abuse within the legal framework.

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  • Minority Issues – SC, ST, Dalits, OBC, Reservations, etc.

    Haryana’s 75% Reservation Law for Private Jobs Declared Unconstitutional

    Prelims Only | Polity | Mains Paper 2: Indian Constitution – historical underpinnings, evolution, features, amendments, significant provisions and basic structure

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: NA

    Mains level: Quota in Private Employment

    haryana

    Central Idea

    • In a significant verdict, the Punjab and Haryana High Court has invalidated a law passed by the Haryana government in 2020, which reserved 75% of private sector jobs for residents of the state.
    • The court ruled that discriminating against individuals based on their non-residency in the state is unconstitutional, as it violates fundamental rights enshrined in the Indian Constitution.

    Haryana Employment of Local Candidates Act, 2020: The Controversy

    • Origins: Enacted by the Haryana Assembly in November 2020, the law aimed to reserve 75% of jobs in the private sector with monthly salaries under Rs 30,000 (originally Rs 50,000) for Haryana residents.
    • Effective Date: The law received the Governor’s approval on March 2, 2021, and came into effect on January 15, 2022.
    • Key Provisions: All private entities, including companies, societies, trusts, and individual employers with ten or more employees, were covered. The law mandated recruitment through a designated online portal, with provisions for employer exemptions.

    High Court’s Verdict and Rationale

    • Unconstitutional Restrictions: The High Court held that Sections 6 and 8 of the Act, which required employers to submit quarterly reports on local candidates employed and gave authorized officers powers to verify compliance, amounted to an “Inspector Raj.” These provisions placed undue control over private employers, which is permissible for public employment but not for the private sector.
    • Violation of Fundamental Rights: The court found that the law severely impaired an individual’s right to carry on an occupation, trade, or business under Article 19(1)(g) of the Constitution. It emphasized that the State cannot discriminate against individuals based on their non-residency in a particular state.
    • Inspector Raj and Legal Immunity: The court also criticized the Act’s provision under Section 20, which protected authorized or designated officers acting in “good faith.” This provision effectively restricted legal proceedings against such officers, further impinging on employers’ rights.

    Reasons for quashing

    • Article 19(1) (g) Violation: The Act potentially infringes upon Article 19(1)(g), which guarantees the right to carry out any occupation, trade, or business. It may impede this right by mandating job reservations in the private sector, affecting individuals’ occupational freedom.
    • Article 16 Boundaries: The Act’s provision of reservation based on domicile or residence may cross constitutional boundaries. Article 16 ensures equal opportunity in public employment, but the Act extends this to the private sector, a prerogative of Parliament.
    • 50% Reservation Limit: The Act breaches the 50% reservation limit set by the Supreme Court in the Indra Sawhney case. Exceptional circumstances must be proven for such a breach, challenging the equality principle.
    • One Nation Concept: India’s constitutional vision as one nation with equal rights for all is challenged by these laws. Restricting out-of-state citizens’ job opportunities hinders their freedom to reside and work anywhere in India.
    • Economic Implications: The Act could raise operational costs for businesses and exacerbate income inequality among States.

    What Comes Next

    • Supreme Court’s Involvement: The Haryana government, determined to pursue the reservation policy, plans to move the Supreme Court and file a Special Leave Petition (SLP) challenging the High Court’s verdict.
    • Prior Legal Proceedings: The High Court had previously stayed the law on February 3, 2022, but the Supreme Court later set aside this stay, directing the High Court to decide on the law’s validity within four weeks.

    Conclusion

    • The Punjab and Haryana High Court’s ruling, declaring Haryana’s 75% reservation law for private jobs unconstitutional, marks a significant development in the ongoing debate over state-based job reservations in India.
    • The impending Supreme Court battle will determine the fate of this contentious legislation.

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  • The Crisis In The Middle East

    What is the BDS movement, led by Palestinian groups against Israel?

    Prelims Only | International Relations | Mains Paper 2: India & Its Neighborhood – Relations

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: BDS Movement

    Mains level: Anti-Semitism, Racism, Apartheid

    bds

    Central Idea

    • An article in a German newspaper accused Indian poet Ranjit Hoskote of “anti-Semitism” and supporting the BDS (Boycott, Divestment, Sanctions) movement.

    What is BDS Movement?

    • BDS (Boycott, Divestment, Sanctions) movement was launched in 2005 by over 170 Palestinian groups.
    • It aims to garner international support for Palestinian people’s rights.
    • BDS describes itself as an “inclusive, anti-racist human rights movement” opposing all forms of discrimination, including anti-Semitism and Islamophobia.
    • It draws inspiration from the South African anti-apartheid movement.

    BDS Goals

    • BDS calls for nonviolent pressure on Israel until it complies with international law, with three key demands:
      1. Ending Israel’s occupation and colonization of Arab lands and dismantling the Wall.
      2. Recognizing the rights of Arab-Palestinian citizens of Israel to full equality.
      3. Respecting, protecting, and promoting the rights of Palestinian refugees to return to their homes, as per UN Resolution 194.

    Strategies of BDS

    • BDS involves boycotts of Israeli government, associated institutions, and companies involved in human rights violations.
    • Divestment campaigns urge institutions to withdraw investments from Israel.
    • Sanctions campaigns seek to pressure governments to fulfill legal obligations to end Israeli apartheid.
    • BDS focuses on a smaller number of carefully selected companies and products for maximum impact.

    Israeli Government’s Response

    • Israel’s Prime Minister Benjamin Netanyahu has linked BDS to anti-Semitism.
    • BDS argues that criticism of Israel’s violations of international law should not be equated with anti-Semitism.
    • Israeli Minister Gilad Erdan led efforts against the economic boycott of Israel but downplayed the threat.

    Economic Impact of BDS

    • BDS has led to some brands and celebrities refusing to work in Israel.
    • Impact on an entire state’s economy is challenging to measure due to various factors.
    • BDS aims to become a powerful tool in ending western support for Israeli apartheid and settler colonialism.

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  • Festivals, Dances, Theatre, Literature, Art in News

    Legacy of B.N. Goswamy in Indian Miniature Paintings

    Prelims Only | History | Mains Paper 1: Arts & Culture

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Miniature Paintings of India

    Mains level: Not Much

    Central Idea

    • N. Goswamy, a Padma Bhushan recipient and former IAS officer, left an indelible mark on the realm of Indian miniature paintings.
    • His groundbreaking work in the field uncovered the rich history and family lineages of artists who contributed significantly to this intricate art form.

    Indian Miniature Painting: A Rich Tradition

    • Characteristics: Indian miniature painting is known for its intricate, highly detailed artwork on a small scale. It features vibrant colors, intricate patterns, and elaborate detailing.
    • Historical Roots: The tradition traces its origins to the Buddhist Pala dynasty, which ruled Bengal and Bihar from the 8th to the 11th century. Initially, these paintings illustrated religious texts on Buddhism and Jainism and were crafted on palm leaves.
    • Mughal Era: The art form flourished with the rise of the Mughal Empire in the early 1500s, becoming synonymous with sophistication and elegance. Mughal miniatures, often no larger than a few square inches, depicted bright and accurate paintings used for illustrating manuscripts and art books.
    • Post-Mughal Period: With the decline of the Mughal Empire during Aurangzeb’s reign, skilled miniaturists migrated to regions like Rajasthan, Himachal Pradesh, Jammu, Tehri-Garhwal, and the plains of Punjab, giving birth to the Pahari painting tradition. Deccan painting, influenced by European, Iranian, and Turkish styles, also emerged in the Deccan region between the 16th and 19th centuries.

    B.N. Goswamy’s Contributions

    • Family-Centric Approach: In his 1968 article on Pahari painting, Goswamy revealed that the style of these paintings depended not on the region but on the family of painters. He emphasized the role of family networks in shaping artistic styles.
    • Reconstructing Family Networks: Goswamy embarked on a mission to reconstruct the family networks of renowned Indian miniature painters. Notable examples include Pandit Seu and his sons Nainsukh and Manaku, who dominated the Pahari painting scene. Goswamy used a blend of detective work and intuition, leveraging inscriptions on the back of miniatures and 18th-century pilgrim records from Haridwar.
    • Expanding Research Scope: Over time, Goswamy broadened his research to encompass various regions across northern to southern India. His work resembled that of Bernard Berenson, who unearthed historical bills of exchange to attribute anonymous canvases.

    Back2Basics: Miniature Paintings in India

    History Characteristics Prominent Schools/Regions Notable Patrons
    Rajput Miniature Painting Centuries-old tradition in Rajput courts Vibrant colors, intricate details, gold leaf Mewar, Marwar, Bundi Rajput rulers, nobility
    Mughal Miniature Painting Flourished during the Mughal Empire (16th-19th century) Realistic portrayal, fine lines, historical themes Mughal Empire Emperors like Akbar, Jahangir, Shah Jahan
    Pahari Miniature Painting Emerged in the Himalayan region, centuries-old Lyrical, delicate, Radha-Krishna love stories Basohli, Chamba, Kangra Regional rulers and nobility
    Deccani Miniature Painting Developed under the Deccan Sultanates (late 15th-17th century) Fusion of Persian and Indian styles, court scenes Deccan Sultanates Golconda, Bijapur, Ahmadnagar
    Bengal Patachitra Traditional art form of West Bengal Scroll painting, mythological stories, folklore West Bengal Traditional artists
    Kangra Miniature Painting Flourished in the Kangra region, 18th century Soft colors, lyrical compositions, love stories Kangra Rulers of Kangra, Nainsukh
    Tanjore Painting Originated in the Maratha court of Thanjavur (17th century) Gold leaf, semi-precious stones, Hindu deities Tamil Nadu (Thanjavur) Maratha court of Tanjore
    Mysore Painting Flourished in the Kingdom of Mysore, 17th-19th century Intricate details, bright colors, religious themes Mysore Kingdom of Mysore
    Gond Painting Traditional art of the Gond tribal community Vibrant depictions of nature, tribal folklore Central India (Madhya Pradesh) Gond tribal community
    Kalamkari Painting Centuries-old art form from Andhra Pradesh Hand-painted or block-printed fabric art Andhra Pradesh (Tamil Nadu) Traditional Kalamkari artists

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  • Make in India: Challenges & Prospects

    Kavro Doma 360: World’s First Rifle-Rated Ballistic Helmet

    Prelims Only | Economics | Mains Paper 3: Indigenization Of Technology

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Kavro Doma 360

    Mains level: Not Much

    Kavro Doma 360

    Central Idea

    • Kanpur-based MKU Limited recently unveiled the Kavro Doma 360, world-first rifle-rated ballistic helmet at Milipol Paris exhibition.

    About Kavro Doma 360

    Description
    Indigenous Development Developed by MKU Limited in Kanpur, India, through indigenous research and development.
    Uniform Rifle Protection Provides uniform protection across all five head zones: front, back, left, right, and crown.

    Offers resilience against threats like AK-47 MSC, M80 NATO BALL, and M193 rifle bullets.
    Boltless Innovation The only boltless rifle protection helmet globally, eliminating bolts and metal components, reducing the risk of penetration upon impact for enhanced safety.
    Expanded Protection Area Features a boltless shell design, providing 40% more protection area against AK-47 assault rifles compared to conventional helmets.
    20mm Back Face Signature Maintains a Back Face Signature/Trauma of less than 20 mm when impacted by AK-47 bullets.

    Back Face Signature measures deformation due to high-energy bullet impact.
    Advanced Harness System Incorporates Dynamic Impact Technology for protection against direct and rotational/angular impacts, reducing concussions and brain injuries.

    Offers top-to-chin and side-to-side harness adjustment.
    Maximum Compatibility (with MACS) Ensures seamless integration with advanced head-mounted devices and combat equipment, adapting to the evolving needs of modern warriors.

     

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  • Innovations in Biotechnology and Medical Sciences

    FDA Approves World’s First Chikungunya Vaccine: Ixchiq

    Prelims Only | Science Tech | Mains Paper 3: Achievements Of Indians In S&T

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Chikungunya , Ixchiq

    Mains level: Not Much

    Central Idea

    • The Food and Drug Administration (FDA) in the US granted approval for the world’s inaugural vaccine against chikungunya.

    Ixchiq: The Chikungunya Vaccine

    • Developed by European vaccine manufacturer Valneva, this vaccine will be available under the brand name Ixchiq.
    • It has been authorized for use in individuals aged 18 and above who are at elevated risk of chikungunya exposure.
    • It is administered as a single dose via injection into the muscle.
    • The vaccine contains a live, attenuated (weakened) form of the chikungunya virus. It may induce symptoms similar to those experienced by individuals with the disease.

    Understanding Chikungunya

    • Symptoms: Chikungunya is characterized by severe joint pain, limited mobility, and accompanying fever. It is a viral infection (CHIKV) primarily transmitted by Aedes aegypti and Aedes albopictus mosquitoes, earning it the status of an “emerging global health threat.”
    • Global Prevalence: Chikungunya is prevalent in Africa, Asia, and the Americas, with sporadic outbreaks reported in other regions. Since 2004, outbreaks have become more frequent and widespread, partly due to viral adaptations facilitating transmission by Aedes albopictus mosquitoes.
    • Symptoms: Alongside joint pain, chikungunya symptoms include joint swelling, muscle pain, headache, nausea, fatigue, and rash. While severe cases and deaths are rare, they may be underreported due to misdiagnosis, often confused with dengue or zika.
    • No Cure: Currently, there is no cure for chikungunya, and treatment is primarily focused on symptomatic relief, including analgesics for pain, antipyretics for fever, rest, and adequate fluid intake.
    • Prevention: Prevention efforts primarily revolve around mosquito control through public health initiatives, civic maintenance, and personal measures such as using medicated mosquito nets and eliminating stagnant water sources to hinder mosquito breeding.

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  • Capital Markets: Challenges and Developments

    India’s Growing Influence on the MSCI Emerging Markets Index

    IOCRPrelims Only | Economics | Mains Paper 3: Indian Economy

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: MSCI EM Index

    Mains level: NA

    Emerging Markets

    Central Idea

    • India’s presence on the MSCI Emerging Markets (EM) Index is set to expand with the inclusion of nine new stocks, effective from 30th November.
    • This development will elevate India’s weightage on the index to 16.3%, reaching an all-time high representation of 131 Indian stocks.

    What is MSCI EM Index?

    • MSCI is a globally recognized index listed on the NYSE.
    • It is released and maintained by MSCI Inc., a leading provider of global equity indices, investment analytics, and other financial data and services.
    • Its stock indices are closely monitored by global asset managers, hedge funds, banks, corporations, and insurance companies.
    • They rely on these indices to allocate funds across global stock markets.
    • MSCI indices serve as a foundation for passive investments through exchange-traded funds (ETFs), index funds, and certain fund of funds.

    India’s Progress on the EM Index

    • Increasing Weight: India’s weightage on the MSCI EM Index has steadily grown, poised to double to 16.3% from four years ago with the upcoming rebalancing.
    • Second to China: India ranks second, trailing only China (29.89%), on the EM Index, outperforming countries like Taiwan (15.07%), South Korea (11.78%), and Brazil (5.42%).
    • Strong Performance: As an independent entity, India has excelled in generating net returns, boasting a 4.75% return in the year through October compared to MSCI EM’s -2.14%. Over the long term, India has achieved an annualized 8.33% return over ten years versus MSCI EM’s 1.19%.

    Inclusion Criteria for Stocks

    • Market Capitalization-Based Weightage: Stocks’ weights on the EM index are determined by free-float market capitalization, which represents shares available for foreign investors to trade. Higher market capitalization leads to greater weight and allocation by investors.
    • Top Indian Stocks: Prominent Indian stocks on MSCI EM include Reliance Industries (weight 1.34%), ICICI Bank (0.91%), and Infosys (0.87%).

    Impact of Increased Representation

    • Passive Inflows: Passive foreign trackers are expected to inject $1.5 billion into the nine newly included Indian stocks and other Indian counters with increased weights.
    • Stock Rebalancing: MSCI’s adjustments involve increasing the weights of stocks like Zomato, Hindustan Aeronautics, and Jio Financial Services, potentially attracting around $160 million in passive inflows. However, heavyweight stocks like Reliance may experience minor weight reductions.
    • Overall FPI Investment: The increase primarily benefits passive trackers, and it may not necessarily lead to a surge in overall foreign portfolio investment (FPI) flows. Nonetheless, it boosts investor sentiment, as passive investments tend to offer higher returns over extended periods due to lower expenses and reduced human error.
    • Positive Sentiment: MSCI EM’s positive review of India comes shortly after Morgan Stanley upgraded India to the status of the most preferred emerging market, further enhancing India’s appeal to global

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  • Gravitational Wave Observations

    Amal Kumar Raychaudhuri and the Raychaudhuri Equation

    Prelims Only | Science Tech | Mains Paper 3: Achievements Of Indians In S&T

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Raychaudhuri Equation

    Mains level: NA

    Raychaudhuri

    Central Idea

    • Amal Kumar Raychaudhuri, an Indian physicist, overcame obstacles and restrictions to make a profound contribution to the field of general relativity.

    A.K. Raychaudhuri: Early Life  

    • Born in Barisal, now in Bangladesh, in 1923.
    • Educated in Kolkata.
    • Developed a deep interest in general relativity during his time at the Indian Association of Cultivation of Science (IACS).

    Challenges Faced

    • While passionate about general relativity, Raychaudhuri was instructed by the director of IACS, Meghnad Saha, to work on topics of the director’s choosing or leave.
    • Raychaudhuri, with limited career options, complied with Saha’s directive but continued to explore the mysteries of gravity in his spare time.

    Theoretical Breakthrough: The Raychaudhuri Equation

    • Raychaudhuri focused on the problem of singularities in general relativity, specifically points where gravity could become infinitely strong.
    • Developed a unique approach that bypassed complex mathematical challenges.
    • Introduced the Raychaudhuri equation, a simple and elegant formula that showed the inevitable convergence of matter in curved spacetime.
    • The equation hinted strongly at the existence of singularities, a critical aspect of general relativity.

    Influence on Renowned Physicists

    • Raychaudhuri’s equation played a pivotal role in the work of Stephen Hawking and Roger Penrose.
    • Hawking’s area theorem, demonstrating that the surface area of black holes never decreases, relied on the Raychaudhuri equation.

    Recognition and Legacy

    • Despite his groundbreaking work, Raychaudhuri received limited recognition in India.
    • He faced obstacles in career advancement, including rejection by Calcutta University.
    • Raychaudhuri eventually joined Presidency College, Kolkata, where he became a revered teacher, inspiring future generations of physicists.

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