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Type: Prelims Only

  • Modern Indian History-Events and Personalities

    Who was Alluri Sitarama Raju?

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Alluri Sitarama Raju

    Mains level: Tribal revolts

    raju

    Central Idea

    • The President of India, Draupadi Murmu, honoured the freedom fighter Alluri Sitarama Raju during the closing ceremony of his 125th birth anniversary celebrations in Hyderabad.
    • The President highlighted the significance of Alluri Seetharama Raju’s struggle against injustice and exploitation in India’s freedom struggle.

    About Alluri Sitarama Raju

    • Raju was believed to be born in 1897 or 1898 in Andhra Pradesh.
    • He became a sanyasi (ascetic) at the age of 18 and gained a mystical aura among the hill and tribal people due to his austerity, knowledge of astrology and medicine, and his ability to tame wild animals.

    Revolutionary Activities of Alluri Sitarama Raju

    • Raju channelled the discontent of the hill people in Ganjam, Visakhapatnam, and Godavari into effective guerrilla resistance against the British.
    • The Forest Act of 1882 and other colonial policies threatened the tribals’ traditional podu cultivation and forced them into labor.
    • The tribals and muttadars (village headmen) who were affected by the curtailment of their powers by the British government joined together in armed resistance against colonial rule in August 1922.

    Contribution to the Freedom Struggle

    • Raju’s guerrilla war, known as the Rampa or Manyam Rebellion, continued until May 1924.
    • The rebellion coincided with Mahatma Gandhi’s Non-Cooperation Movement.
    • Raju admired Gandhi and promoted his ideas of wearing khadi (homespun cloth) and giving up alcohol.
    • However, Raju believed that India could only be liberated through the use of force, contrary to Gandhi’s principle of non-violence.

    Capture and Execution of Alluri Sitarama Raju

    • Raju’s resistance came to an end when he was captured by the British in May 1924.
    • He was executed for his involvement in the rebellion.
    • Raju became known as the ‘Manyam Veerudu’ or Hero of the Jungle, and his efforts are remembered as a significant contribution to India’s freedom struggle.

    Conclusion

    • Overall, Alluri Seetharama Raju played a crucial role in leading a guerrilla resistance against British colonial rule, fighting for the rights of tribal communities, and advocating for India’s independence through forceful means.
  • Economic Indicators and Various Reports On It- GDP, FD, EODB, WIR etc

    Greedflation and its Counter Arguments

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Greedflation

    Mains level: NA

    greedflation

    Central Idea: Greedflation

    • The concept of “Greedflation” has emerged, suggesting that corporate greed for higher profits is a significant cause of the high inflation experienced in the United States since the pandemic.
    • Proponents of this theory argue that increased corporate profit margins have contributed to rising prices.
    • However, many economists question the validity of this narrative and offer alternative explanations for inflation.

    Inflation and Business Pricing

    • Pricing Dynamics: Businesses set prices based on consumer willingness to pay, aiming to maximize profits.
    • Consumer Influence: Consumers ultimately determine the market price through their buying decisions.
    • Market Competition: Businesses unable to sell products at high prices must lower prices to clear their stock.

    Inflation as a Macro-Level Phenomenon

    • Widespread Price Rise: Inflation refers to a general increase in the price level across the economy.
    • Corporate Influence on Prices: Corporations can impact overall prices by reducing supply, but there is no evidence of deliberate output reduction.
    • Monetary Policy and Inflation: The expansionary monetary policy of the U.S. Federal Reserve, combined with supply-chain disruptions, explains recent inflation.

    Rising Corporate Profit Margins

    • Rising Costs vs. Consumer Prices: Input costs have risen faster than consumer goods prices, leading to unexpected profit margin growth.
    • Corporate Profits vs. Wider Economy: Large corporations may have benefited from smaller business closures during the pandemic, but they represent a small portion of the overall economy.
    • Profit Margins and Inflation: Rising profit margins do not directly cause high inflation; prices are determined by buyers, not sellers.

    Critique of “Greedflation” as Cost-Push Inflation

    • Cost-Push Inflation Comparison: Greedflation is likened to cost-push inflation theories that attribute price increases to rising input costs.
    • Consumer Influence on Costs: The cost of inputs is indirectly determined by consumers through competitive bidding in the market.

    Conclusion

    • The notion of greedflation, attributing high inflation to corporate greed, lacks support from economists who emphasize the influence of consumer behaviour and macroeconomic factors.
    • While rising profit margins of corporations may indicate market dominance, they do not directly drive inflation.
    • Instead, factors such as monetary policy and supply disruptions better explain the recent inflationary pressures experienced in the United States.
  • International Space Agencies – Missions and Discoveries

    CH3+: A Life-Giving Molecule Detected in Space

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: CH3+

    Mains level: Not Much

    ch3

    Central Idea

    • The recent discovery of the CH3+ molecule, also known as methyl cation, by the James Webb Space Telescope (JWST) has provided significant insights into the building blocks of life.
    • This simple organic molecule, consisting of one carbon atom and three hydrogen atoms, has been found in the Orion Nebula.
    • This reveals the potential for the formation of complex organic molecules necessary for life.

    What is CH3+?

    • The methyl cation, also known as the carbocation CH3^+, is an organic molecular ion consisting of a positively charged carbon atom (C+) with three hydrogen atoms (H) attached to it.
    • It is the simplest carbocation and belongs to the alkyl cation family.
    • The methyl cation is highly reactive due to its positive charge and the electron-deficient nature of the carbon atom.
    • Due to its reactivity, the methyl cation tends to undergo reactions to achieve greater stability by accepting a pair of electrons.
    • It can react with nucleophiles, which are electron-rich species, to form new chemical bonds.

    How does it support life?

    • Carbon-Based Organic Molecules: In biological processes, carbon atoms typically exist in stable organic molecules, such as carbohydrates, proteins, lipids, and nucleic acids, which are essential for life.
    • Importance of CH3+: The detection of the CH3+ molecule in space indicates the presence of basic building blocks for life beyond Earth.

    Significance of discovering CH3+ in Space

    • Molecular Fingerprints: Scientists analyze light emitted or absorbed by atoms and molecules to identify their unique spectroscopic signatures.
    • Spectroscopy with JWST: The JWST observed the Orion Nebula, a swirling disk of dust and gas surrounding a young star, and detected the distinctive fingerprints of CH3+ in its light.

     

  • Wildlife Conservation Efforts

    Diversity for Restoration (D4R) Tool

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: D4R Tool

    Mains level: NA

    Central Idea

    • The Diversity for Restoration (D4R) tool, has been modified to adapt to the Indian context by researchers from Ashoka Trust for Research in Ecology and the Environment (ATREE).
    • The tool aims to support restoration programs in India by improving decision-making and promoting sustainable development.

    What is D4R tool?

    • The Diversity for Restoration (D4R) tool is a tool developed by Bioversity International.
    • It is designed to assist in promoting effective agroforestry and ecosystem restoration.
    • The tool aims to improve decision-making in restoration programs by providing information on tree species selection and their ecological benefits.

    Key features and functions of the D4R

    • Species Identification: Helping users identify tree species that align with their restoration objectives.
    • Geographic Suitability: Assisting in determining which plant species are best suited for specific geographic locations.
    • Resilience and Adaptation: Identifying species that can withstand local stresses and adapt to changing environmental conditions.
    • Seed Procurement: Providing information on areas and regions to obtain seeds for the required species.
    • Plant Functional Traits: Incorporating information on economic and ecological uses of tree species to guide selection.
    • Habitat Suitability Modeling: Predicting suitable habitats for specific tree species based on present and future climate scenarios.
    • Comprehensive Information: Providing details on commercial benefits, physiological resilience, windbreaking capabilities, nitrogen-fixing, and pollinator support of tree species.
  • Parliament – Sessions, Procedures, Motions, Committees etc

    PRISM: 24-hr hotline for MPs Research

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: PRISM Hotline

    Mains level: NA

    Central Idea

    • Lok Sabha Speaker has established ‘PRISM’ a 24-hour research reference telephone hotline for Members of Parliament (MPs) to provide assistance with policy issues.

    What is PRISM?

    • The Parliamentary Research and Information Support for Members of Parliament (PRISM) offers round-the-clock services, including weekends during Parliament Sessions.
    • It aims to support first-term MPs and those without extensive secretarial teams who may find it daunting to speak in Parliament on policy matters.
    • A team of 30-32 officers serves on the hotline on a rotational basis to provide research and reference support.

    Usage and Enquiries

    • Between 2019 and 2023, 87% of MPs have utilized either online or offline reference services, which are also shared through WhatsApp and email.
    • Enquiries mainly focused on bills such as the Juvenile Justice Bill, Wildlife Protection Bill, and short-duration discussions on topics like climate change, drug abuse, and price rise.

    Need for PRISM

    • First-term MPs often face challenges when asked to speak on bills without extensive research support.
    • The hotline and reference services have proven invaluable in assisting MPs, allowing them to contribute effectively to debates and discussions.
    • The initiative has particularly aided MPs who may not be proficient in English or Hindi, enabling them to raise pertinent issues in Parliament.

    Significance

    • Parliament can be a fragmented environment, with various cliques and clubs forming over the years.
    • Backbenchers, in particular, often spend much time in obscurity.
    • The research and reference services provided by PRISM can make these years on the backbench more productive by facilitating informed participation in policy debates.

     

  • Water Management – Institutional Reforms, Conservation Efforts, etc.

    Har Ghar Jal Initiative to miss 2024 target

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Har Ghar Jal Initiative

    Mains level: NA

    har ghar jal

    Central Idea

    • The Har Ghar Jal initiative, part of the Jal Jeevan Mission, aims to provide potable water connections to all rural households in India by 2024.
    • However, multiple sources and data analysis indicate that the initiative is likely to fall short of its target, with only 75% of village homes expected to have drinking water taps by April 2024.

    Har Ghar Jal Initiative: A quick recap

    • Har Ghar Jal (translation: Water to Every Household) is a scheme initiated by the Ministry of Jal Shakti under Jal Jeevan Mission in 2019.
    • It aimed to provide tap water to every rural household by 2024.
    • Finance Minister announced the scheme in 2019 Union budget.
    • In August 2022, Goa and Dadra and Nagar Haveli and Daman and Diu became the first ‘Har Ghar Jal’ certified State and UT respectively with 100% tap-water access.
    • As of January 2023, other states and UTs Gujarat, Puducherry and Telangana have also achieved 100% tap-water access.
    • Since its inception, the scheme has significantly improved household clean tap water availability in India.

    Challenges Faced by the Initiative

    • Delayed Progress: The COVID-19 pandemic and a lack of qualified manpower in states have contributed to the delayed implementation of the scheme.
    • Shortages of Essential Materials: The ongoing Russia-Ukraine war resulted in major shortages of steel and cement, crucial for manufacturing and connecting metal pipes, leading to delays and price revisions.
    • Manpower Shortage: Some states faced challenges in finding skilled workers to construct tanks, cisterns, and water connections of acceptable quality.
    • State-Specific Issues: Certain states, such as Rajasthan, face challenges in ensuring the availability of water, while West Bengal and Kerala struggle with water contamination issues.
    • Certification Gap: While the states report high coverage figures, there is a significant gap between reported and verified connections.

    Expectations and Progress

    • Revised Expectations: The officials now expect about 75% of households to be covered by March 2024 and 80% by December 2024.
    • Work Yet to Begin: Around one crore households (5% of the total) have not even begun work under the scheme.
    • Timeframe Challenges: Connecting all households in villages that already have access to water sources takes an average of eight months, making it unlikely to finish in some places before 2025-26.

    Political Factors and Connection Status

    • Political Angle: Some states, like Bihar and Telangana, did not rely on central funds and did not certify their connection status due to political considerations.
    • Significance of Certification: “Har Ghar Jal” villages certified as 100% compliant prominently display the images of the Prime Minister and Chief Minister, especially if Central funds were used.

     

  • Modern Indian History-Events and Personalities

    Hul Diwas: Remembering the Santhal Rebellion

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Hul Diwas, Santhal Revolt

    Mains level: NA

    hul divas santhal

    Central Idea

    • Prime Minister commemorated Hul Diwas, honoring the sacrifice of Santhals in their fight against British colonial authorities.

    What is Hul Divas?

    • The Santhal rebellion, known as the ‘Hul,’ was an organized war against colonialism led by the Santhals, who stood against various forms of oppression inflicted upon them by the British.
    • This article explores the significance of the Santhal rebellion, their identity, the reasons behind the Hul, its organization, and its lasting impact.

    Santhals and their Migration

    • The Santhal people, or Santhalis, migrated from the Birbhum and Manbhum regions of Bengal to modern-day Santhal Pargana.
    • The British relocated the Santhals to the forested area of Damin-i-Koh, dislodging the indigenous Pahariya community, as part of their revenue collection strategy.
    • However, the Santhals faced severe colonial oppression, including exploitative moneylenders and the police.

    Reasons behind the Hul

    • The Santhals rebelled against the British due to extortions, oppressive extractions, dispossession of property, false measurements, and other illegalities.
    • Tribal councils and meetings discussed the possibility of rebellion, leading to a massive assembly of over 6,000 Santhals on June 30, 1855, marking the beginning of the rebellion.
    • Led by Sidhu and Kanhu, the Santhals rose against the British, attacking symbols of colonial rule and executing moneylenders and zamindars.

    Organization of the Hul

    • Contrary to popular belief, the Hul was a well-planned and organized political war.
    • Evidence from documents and historical accounts reveals preparations such as guerrilla formations, military teams, detectives, secret bases, logistics, and a network of message carriers for coordination.
    • Non-Adivasi Hindu castes also participated in the rebellion, highlighting the diverse nature of the movement.

    Lesser-Known Facts about the Hul

    • The rebellion saw participation from 32 communities, both tribals and non-tribals, challenging the notion that it was solely a Santhal rebellion.
    • Phulo-Jhano, two sisters, led an army of 1,000 women, playing crucial roles in providing food supply, gathering information, and attacking British camps.
    • The East India Company’s army was defeated twice during the rebellion, debunking the belief that they were invincible.

    British Narratives and Accounts

    • British reports and personal narratives provide insights into the causes of the Santhal rebellion, including excessive taxation, falsehood, and negligence of British officials, extortion by moneylenders, corruption, and oppression.
    • The sufferings inflicted by moneylenders or ‘mahajans’ on the Santhals were a primary cause of the uprising.

    Accounts from Prisoners and Divine Intervention

    • Similar to other tribal uprisings, accounts exist of deities appearing in dreams or before the rebels.
    • Judicial proceedings of captured Santhals revealed instances where deities instructed rebellion leaders to fight against the British and oppressors.

    Lasting Impact of the Hul

    • The Santhal rebellion did not end with its suppression in 1855; it continued to inspire future uprisings, such as the Santhal involvement in the 1857 mutiny.
    • The Hul rebellion symbolized resistance against British colonialism and laid the foundation for subsequent movements in Jharkhand.
  • Health Sector – UHC, National Health Policy, Family Planning, Health Insurance, etc.

    Aspartame: the Carcinogenic additive in Diet Cola

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Aspartame

    Mains level: Not Much

    aspartame

    Central Idea

    • The cancer research arm of the World Health Organization (WHO) is reportedly considering listing aspartame, a popular sugar substitute ‘Aspartame’ as “possibly carcinogenic to humans.”
    • This potential listing by the International Agency for Research on Cancer (IARC) has generated controversy as it contradicts previous studies that found no evidence linking aspartame to cancer.

    What is Aspartame?

    • Aspartame is widely used as an artificial sweetener in various food and beverage products.
    • It is made from the dipeptide of two amino acids, L-aspartic acid and L-phenylalanine.
    • It is approximately 200 times sweeter than table sugar and is commonly used in diet soft drinks, sugar-free gum, and other sugar-free products.
    • It is favored by those seeking to reduce calorie intake or manage diabetes.

    Safety Record and Regulatory Approvals

    • Aspartame has undergone extensive studies over 40 years, with over 100 studies finding no evidence of harm caused by its consumption.
    • The US Food and Drug Administration (FDA) has permitted its use in food since 1981, and it has been reviewed multiple times for safety.
    • The European Food Safety Authority (EFSA), as well as national regulators in various countries, also deem aspartame safe for consumption.
    • However, individuals with phenylketonuria (PKU), a rare genetic disorder, should avoid aspartame due to the presence of phenylalanine.

    Controversies and Impact of WHOs Listings

    • Past IARC rulings have raised concerns, led to lawsuits, and influenced manufacturers to seek alternatives due to public confusion.
    • The potential listing of aspartame as “possibly carcinogenic” by the IARC contradicts previous scientific consensus on its safety.
    • Critics argue that IARC assessments can be confusing to the public and may create unnecessary fear and misinformation.
  • International Space Agencies – Missions and Discoveries

    Neutrinos: the Ghost Particles detected for first time

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: IceCube Neutrino Observatory , Ghost Particle

    Mains level: NA

    neutrino

    Central Idea

    • The IceCube Neutrino Observatory, a gigaton detector located at the Amundsen-Scott South Pole Station, has achieved a significant scientific breakthrough by producing an image of the Milky Way using neutrinos.
    • Neutrinos are minuscule particles and serve as ghostlike astronomical messengers.

    IceCube Neutrino Observatory  

    • The IceCube Neutrino Observatory is a unique detector encompassing a cubic kilometer of Antarctic ice with over 5,000 light sensors.
    • It detects high-energy neutrinos, which possess energies millions to billions of times higher than those produced by stellar fusion reactions.

    What are Neutrinos?

    • Neutrinos are fundamental particles in the Standard Model of particle physics.
    • They belong to the family of elementary particles called leptons, which also includes electrons and muons.
    • Neutrinos have extremely low mass, and they interact very weakly with matter, making them challenging to detect.

    Properties of Neutrinos

    Electric Charge Electrically Neutral
    Mass Extremely Low (Exact Masses Not Known)
    Flavors Electron Neutrino, Muon Neutrino, Tau Neutrino
    Interaction Weak Interaction
    Speed Close to the Speed of Light
    Spin Fermion, Half-Integer Spin
    Neutrino Oscillations Neutrinos Change Flavor during Travel
    Interactions Very Weak Interaction with Matter
    Abundance Among the Most Abundant Particles in the Universe
    Cosmic Messengers Can Carry Information from Distant Cosmic Sources

     

    Neutrino Emission from the Milky Way

    • The IceCube Collaboration’s research reveals evidence of high-energy neutrino emission from the Milky Way.
    • This emission, unlike light, allows researchers to observe the universe beyond nearby sources within our galaxy.
    • The detection of neutrinos from the galactic plane of the Milky Way confirms its status as a source of cosmic rays and high-energy particles.

    Challenges and Breakthroughs

    • Detecting neutrinos from the Milky Way’s southern sky presented challenges due to background interference from cosmic-ray interactions with Earth’s atmosphere.
    • IceCube researchers developed advanced data analysis techniques, including machine learning algorithms, to identify and analyze neutrino events.
    • These methods improved the identification of neutrino cascades and enhanced the accuracy of energy and direction reconstruction.

    Implications and Future Prospects

    • The study utilized 60,000 neutrinos from ten years of IceCube data, providing a more comprehensive analysis than previous studies.
    • The research confirms the Milky Way as a source of high-energy neutrinos, leading to further investigations to identify specific sources within the galaxy.
    • Neutrino astronomy offers a unique perspective to explore the universe, complementing traditional observations using light.
  • Promoting Science and Technology – Missions,Policies & Schemes

    GMRT: India’s Largest Radio Telescope  

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Giant Metrewave Radio Telescope (GMRT)

    Mains level: Not Much

    gmrt

    Central Idea

    • India’s Giant Metrewave Radio Telescope (GMRT) is part of an international effort involving six large telescopes.
    • The telescopes have provided evidence confirming the presence of gravitational waves through pulsar observations.

    Giant Metrewave Radio Telescope (GMRT)

    • The GMRT is an array of thirty fully steerable parabolic radio telescopes located near Narayangaon, Pune, in India.
    • It is renowned as the world’s largest and most sensitive radio telescope array operating at low frequencies.
    • It is operated by the National Centre for Radio Astrophysics (NCRA), a part of the Tata Institute of Fundamental Research, Mumbai.
    • It has made significant contributions to the field of astronomy since its construction under the guidance of Late Prof. Govind Swarup between 1984 and 1996.
    • The recent upgrade of the GMRT has further enhanced its capabilities, earning it the name “upgraded Giant Metrewave Radio Telescope” (uGMRT).

    Location and Specifications

    • Location: The GMRT Observatory is situated approximately 80 km north of Pune, near Khodad, with the town of Narayangaon just 9 km away. The NCRA office is located within the Savitribai Phule Pune University campus.
    • Telescope Array: The GMRT consists of thirty fully steerable parabolic radio telescopes, each with a diameter of 45 meters.
    • Interferometry Array: The telescopes are configured in an interferometric array with baselines of up to 25 kilometres, allowing for precise and detailed observations.

    Science and Observations

    • Galaxy Formation and 21-cm Line Radiation: The GMRT was designed to search for highly redshifted 21-cm line radiation from primordial neutral hydrogen clouds, enabling the determination of the epoch of galaxy formation in the universe.
    • Diverse Astronomical Objectives: Astronomers from around the world utilize the GMRT for studying a wide range of celestial objects, including HII regions, galaxies, pulsars, and supernovae, as well as the Sun and solar winds.

    Remarkable Discoveries

    • Most Distant Galaxy: In August 2018, the GMRT discovered the most distant known galaxy, located 12 billion light-years away.
    • Ophiuchus Supercluster Explosion: In February 2020, the GMRT played a crucial role in observing the largest explosion ever recorded in the universe, the Ophiuchus Supercluster explosion.
    • Radio Signal from the Distant Universe: In January 2023, the GMRT detected a radio signal originating from 8.8 billion light-years away, specifically a fast radio burst (FRB) known as FRB 2023L.

    Recent Observations

    • Time Aberrations: The team observed time aberrations in the signals emitted by pulsars, indicating the possible presence of gravitational waves.
    • Galactic-Scale Gravitational Wave Detector: Scientists distributed ultra-stable pulsar clocks across the Milky Way to create a virtual detector sensitive to gravitational wave signals.
    • Arrival Time Variations: The arrival times of signals from pulsars were affected by the presence of gravitational waves, causing slight delays or advances.

    Significance of the Findings

    • Humming Signals: Nano-hertz signals caused by gravitational waves were detected, leading to the identification of their presence in the universe.
    • Opening a New Window: The team’s results represent a significant milestone in exploring the gravitational wave spectrum, providing new insights into astrophysics.
    • Sensitivity and Timeframe: Detecting these elusive nano-hertz gravitational waves requires sensitive telescopes like GMRT and long-term observations due to their slow variations.