Recent research conducted by scientists at McGill University has shed light on the critical role of vitamin D in maintaining thymus health and its implications for immune function.
AboutAutoimmune Conditions:
Autoimmune conditions refer to disorders where the immune system mistakenly attacks the bodyâs own healthy tissues, viewing them as foreign.
Vitamin D plays a role in regulating immune responses and promoting immune toleranceâthe bodyâs ability to avoid attacking its own cells.
It influences T-cells (a type of immune cell) to recognize and tolerate the bodyâs own tissues rather than attacking them.
The thymus gland trains T-cells to avoid attacking healthy cells. A deficiency in Vitamin D may cause the thymus to age prematurely, reducing its ability to regulate T-cells properly.
Vitamin D affects certain genetic pathways related to immune function.
Variations in the vitamin D receptor (VDR) gene may also predispose some individuals to autoimmune diseases, and these individuals might be more sensitive to Vitamin D levels.
What is Vitamin D?
Vitamin D is a fat-soluble vitamin crucial for the bodyâs ability to absorb calcium, magnesium, and phosphate, which are essential for bone health.
It supports muscle movement, nerve function, and immune system responses. Due to its synthesis in the skin upon exposure to sunlight, it is often called the âsunshine vitaminâ.
The body naturally produces Vitamin D when skin is exposed to ultraviolet B (UVB) rays from sunlight.
Sources of Vitamin D:
Fish: Salmon, mackerel, tuna, and sardines are rich in Vitamin D.
Cod liver oil: A concentrated source, providing 400â1,000 IU per teaspoon.
Mushrooms: Varieties like portobello contain Vitamin D if exposed to UV light.
Fortified Foods: Milk, yogurt, orange juice, and cereals often have added Vitamin D.
Egg yolks: Contain a small amount of Vitamin D.
Common forms include Vitamin D2 (ergocalciferol) and Vitamin D3 (cholecalciferol), especially useful in autumn and winter when sunlight exposure is limited.
Significance of Vitamin D
Bone Health: Essential for calcium absorption, which strengthens bones and prevents osteoporosis.
Muscle and Nerve Function: Supports muscle contractions and nerve signaling between the brain and body.
Immune System: Enhances immune defenses, helping to fight off infections by viruses and bacteria.
Brain Health: May play a role in maintaining cognitive health, especially with aging.
Inflammation and Pain: Helps regulate the bodyâs response to inflammation and pain.
Blood Pressure: Linked to regulating blood pressure; deficiency is associated with hypertension.
Impacts of Vitamin D Deficiency
Increases the risk of rickets in children (softening of bones) and osteoporosis in adults.
Low levels of Vitamin D are linked to autoimmune conditions like rheumatoid arthritis, lupus, and multiple sclerosis.
Recent studies indicate that Vitamin D deficiency can accelerate thymus aging, leading to immune dysfunction and a higher risk of autoimmune diseases.
Deficiency has been associated with cancer, cardiovascular disease, diabetes, depression, and chronic pain.
Can include fatigue, muscle weakness, bone pain, and depression.
In severe cases, deficiency may cause impaired bone growth and fracture susceptibility.
PYQ:
[2011] Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?
(a) They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency.
(b) They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy.
(c) They neutralize the free radicals produced in the body during metabolism.
(d) They activate certain genes in the cells of the body and help delay the ageing process.
The A&N Islands offer significant opportunities for fisheries development with approximately 6.0 lakh square km of Exclusive Economic Zone (EEZ).
This region has rich sea resources, particularly Tuna and Tuna-like species, with an estimated potential of 60,000 metric tons.
The islands’ location near Southeast Asia enables efficient sea and air trade, and the pristine waters support sustainable fishing.
About Tuna Species and its Significance
Tuna are large, fast-swimming fish belonging to the Thunnini tribe within the Scombridae family.
Known for their streamlined bodies and remarkable agility, tuna are found in tropical and temperate oceans worldwide.
There are over 15 species of tuna, with some of the most well-known being Bluefin, Yellowfin, Albacore, Bigeye, and Skipjack.
Tuna can grow quickly and live for several decades, with species like Bluefin reachingover 450 kg in weight.
It is one of the most popular and valuable fish in the global seafood market, highly sought after for its flavor, texture, and nutritional value.
Species like Bluefin tuna are particularly valuable, often fetching high prices in markets, especially in Japan for dishes like sushi and sashimi.
It is rich in protein, low in saturated fat, and packed with omega-3 fatty acids, which support heart health, brain function, and inflammation reduction.
It also provides essential vitamins and minerals like Vitamin D, B12, iron, and selenium.
PYQ:
[2013] The most important fishing grounds of the world are found in the regions where
(a) Warm and cold atmospheric currents meet
(b) Rivers drain out large amounts of freshwater into the sea
PYQ Relevance: Q) The question of Indiaâs Energy Security constitutes the most important part of Indiaâs economic progress. Analyze Indiaâs energy policy cooperation with West Asian Countries. (UPSC CSE 2017) Q) In what ways would the ongoing US-Iran Nuclear Pact Controversy affect the national interest of India? How should India respond to its situation? (UPSC CSE 2018) Q) âWhat introduces friction into the ties between India and the United States is that Washington is still unable to find for India a position in its global strategy, which would satisfy Indiaâs National self-esteem (UPSC CSE 2019)
Mentorâs Comment:The United States is a dominant global power with the largest economy and military. Its foreign policy decisions significantly shape international relations, impacting everything from trade agreements to military alliances and conflict resolutions.
The U.S. has been instrumental in establishing and maintaining key international organizations like the United Nations, NATO, and the World Bank, which play crucial roles in global governance and stability.
Donald Trump’s second term as President of the United States following his recent electoral victory refers to the anticipated policies and implications on global geopolitics especially in present West Asian crises.
Todayâs editorial discusses the implications of Donald Trump’s return to the U.S. presidency for the Middle East, particularly in light of recent conflicts and his previous foreign policy actions.
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Let’s learn!
Why in the News?
Donald Trump’s return to the presidency is making headlines for several reasons, reflecting both the implications of his policies and the broader impact on U.S. society and global geopolitics.
Trump’s Past Foreign Policy Record in West Asia:
Pro-Israel Stance: Trump’s first term was characterized by strong support for Israel, including: Moving the U.S. embassy to Jerusalem; Recognizing Israel’s annexation of the Golan Heights; Withdrawing from the Iran nuclear deal.
Abraham Accords: Initiated normalization between Israel and several Arab nations, aimed at countering Iran.
What changes can be expected in U.S. foreign policy towards Israel and Palestine under Trump?
Strong Support for Israel: Trump is likely to continue robust Military and Diplomatic support for Israel. For example, he may endorse Israeli military actions in Gaza, similar to his previous encouragement for Israel to “finish the job” against Hamas during conflicts.
Trump may recognize sovereignty by reaffirming policies like recognizing Jerusalem as Israel’s capital and supporting Israeli claims over territories such as the Golan Heights.
Limited Engagement with Palestinians: The USA is expected for a continuation of the previous administration’s approach, which involved cutting funding to the Palestinian Authority and sidelining Palestinian voices in peace negotiations.
For example, a New Peace initiative (one-sided) is likely to favor Israeli interests, similar to the “Peace to Prosperity” plan released in 2020, which was criticized for not adequately addressing Palestinian rights.
Regional Relations and Normalization: Trump may push for more Arab nations to normalize relations with Israel, building on agreements with countries like the UAE and Bahrain by expanding Abraham Records. This could further isolate the Palestinian cause.
Secondly, we can expect an aggressive policy towards Iran, including sanctions and military support for Israel against Iranian influence, like Trump’s previous withdrawal from the Iran nuclear deal.
Domestic Politics and UN Considerations: While maintaining strong ties with Israel, we must remember that Trump may prioritize domestic concerns over international engagement, reflecting a growing isolationist sentiment within the USAâs Republican Party (particularly among Arab and Muslim communities).
How will Trump’s policies affect U.S.-Iran relations and Regional stability?
Resuming Aggressive Policies: Trump is likely to reintroduce stringent economic sanctions on Iran, which previously led to a significant drop in Iranian oil exports.
Expect increased military readiness and potential strikes against Iranian nuclear facilities, similar to the targeted killing of General Qasem Soleimani in 2020.
Nuclear Program Implications: U.S. support for Israeli military actions against Iran could provoke retaliatory measures from Tehran.
For example, Iran may respond to renewed sanctions by further advancing its nuclear program, moving closer to weapons capability.
Shifts in Regional Alliances: Increased backing for Israel may lead to more aggressive actions and proxy conflicts against Iranian interests, heightening conflicts in Gaza and Lebanon.
Economic Consequences for Iran: Renewed sanctions could lead to further currency depreciation in Iran and increased public discontent due to economic instability. Iran may boost military spending, straining its economy further.
Did you Know? Trumpâs plans under “Project 2025” include significant rollbacks on climate change initiatives, stricter immigration enforcement, and potential restrictions on abortion and LGBTQ+ rights.
What implications does Trump’s “America First” policy have for India-U.S. engagement?
Economic and Trade Policies: Trump’s protectionist “America First” agenda may lead to higher tariffs on Indian goods, particularly in textiles, pharmaceuticals, and automobiles. This could strain trade relations, as India relies heavily on exports to the U.S.
Stricter Immigration policy changes to H-1B visa regulations could significantly impact India’s IT sector, raising costs for Indian firms that depend on access to the American labor market.
Strengthened Defense Ties: Trump is expected to maintain strong defense cooperation with India through frameworks like the Quad (with Japan and Australia), and with India’s security needs against China. India may benefit from increased U.S. support in countering Chinese actions in the Indo-Pacific region.
Hence, Trumpâs policies may create opportunities, but they also pose challenges due to potential economic friction from protectionist measures and immigration restrictions.
Relations with Russia: Trumpâs pro-Russia stance suggests that India will face less pressure to distance itself from Moscow.
While previous U.S. administrations have criticized Indiaâs defense ties with Russia, Trump may adopt a more pragmatic approach, focusing on other strategic aspects like defense cooperation without pressing India on Russian relations.
Way Forward: India might need to navigate a complex landscape as it balances its longstanding ties with Russia against growing relations with the U.S., especially if Trump adopts a less confrontational stance towards Russia compared to previous administrations.
Q) National Education Policy, 2020 conforms with the Sustainable Development Goal-4 (2030). It intends to restructure and reorient education system in India. Critically examine the statement. (UPSC CSE 2020)
Q) Besides the welfare schemes, India needs deft management of inflation and unemployment to serve the poor and the underprivileged sections of society. Discuss. (UPSC CSE 2022)
Q) The quality of higher education in India requires major improvement to make it internationally competitive. Do you think that the entry of foreign educational institutions would help improve the quality of technical and higher education in the country? Discuss. (UPSC CSE 2015)
Mentorâs Comment:The SDG India Index, developed by NITI Aayog, reports an overall score of 71 out of 100, up from 66 in the previous edition, indicating progress in areas such as quality education (SDG 4), where the score improved from 66 to 75. Despite progress, challenges remain, including disparities in educational quality across regions and inadequate infrastructure.
SDG 4.4 aims to substantially increase the number of youth and adults who have relevant skills, including technical and vocational skills, for employment, decent jobs, and entrepreneurship by 2030.
Additionally, SDG 8 also plays a significant role in this context, as it promotes sustained, inclusive, and sustainable economic growth, full and productive employment, and decent work for all.
In light of the increasing global demand for skilled professionals in Science, Technology, Engineering, and Mathematics (STEM), today’s editorial focuses on the urgent need for revitalizing educational frameworks to better prepare students for future challenges.
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Let’s learn!
Why in the News?
The NITI Aayog reports highlight the need for increased investment in teacher training, digital resources, and facilities to enhance learning environments.
What is the significance of STEM Education?
â˘Economic Growth and Competitiveness: STEM education equips students with essential skills such as critical thinking, problem-solving, and creativity, which are crucial for success in technology-driven industries. A strong foundation in STEM fields enables India to compete globally and contribute to the global talent pool in science and technology.This is vital for India’s economic expansion, as a skilled workforce can drive innovation and attract investments. â˘Equity and Access: STEM education fosters a multidisciplinary approach, where students learn to apply scientific principles to develop innovative solutions for these challenges. Efforts to promote STEM education also focus on empowering women and marginalized groups, reducing gender disparities in these fields. â˘Curriculum Innovation: Integrating STEM into the curriculum encourages a shift from traditional rote learning to hands-on, project-based learning. Well-trained STEM educators are needed to implement these educational strategies effectively.Â
What are the key barriers to effective STEM education in current curricula?
School-Related Barriers: Many schools lack sufficient laboratory equipment and materials necessary for hands-on STEM learning, which limits practical experiences for students.
Secondly, high student-to-teacher ratios hinder personalized instruction and effective classroom management, making it difficult to engage all students in STEM subjects.
Teacher-Related Barriers: A shortage of qualified STEM teachers and inadequate professional development opportunities result in a lack of effective teaching methods in STEM education.
Student-Related Barriers: Students often show low levels of motivation towards STEM subjects, which can stem from a lack of relatable content or perceived difficulty. Some educators need to be made aware that focusing on STEM will detract from traditional academic subjects, leading to resistance.
Curriculum and Instructional Barriers: Current curricula are rigid and do not integrate interdisciplinary approaches, limiting students’ ability to make connections between different fields.
Technology-Related Barriers: In many areas, particularly rural regions, students do not have adequate access to technology that supports STEM learning, such as computers and internet connectivity
How can Educational Institutions adapt their teaching methodologies in STEM fields?
Project-Based Learning (PBL): PBL encourages students to work on projects that promote creativity, teamwork, and practical application of knowledge in real-world problems, as students take ownership of their learning from start to finish.
Problem-Based and Analytical Thinking (PBAT): In this approach, students are presented with complex problems that do not have straightforward solutions. They must analyze the situation, evaluate different perspectives, and devise solutions, thereby enhancing their critical thinking skills.
Encouraging Curiosity: This method allows students to ask questions and explore topics of interest through investigation and experimentation. It fosters a deeper understanding of STEM concepts and develops research skills, as students learn to seek out information independently.
Integration of Technology: Utilizing technology in the classroomâsuch as simulations, coding platforms, and digital collaboration toolsâcan enhance student engagement and provide access to a wider range of learning resources.
What role does industry collaboration play in enhancing STEM education?
Real-World Application of Knowledge: Industry partnerships help students see how STEM concepts apply to real-world challenges, making learning more relevant and engaging. This connection motivates students to pursue STEM subjects by illustrating their practical importance in various fields.
Access to Resources and Expertise: Partnerships with industry can supply schools with access to the latest technologies, enhanced research, and expert knowledge. This access ensures that students are learning with up-to-date tools and methodologies relevant to current market demands.
Authentic Assessment: Industry partners can provide valuable and experienced feedback on student projects and educational practices, helping educators refine their curricula to better meet industry standards and expectations.
They provide students with insights into various STEM careers through guest speakers, mentorship programs, skill development, and industrial visits.
Strengthening Industrial Community: They collaborate with local businesses foster community involvement in education, creating a supportive environment for students. These partnerships can also contribute to local economic development by preparing a skilled workforce
A collaborative Project by UNESCO and Huawei on âRevitalizing STEM education to equip next generations with STEM competencyâÂ
⢠Launched in March 2024, this initiative aims to enhance STEM education across Europe by focusing on several key areas: â To support innovative educational projects through a competitive selection process. For empowering girls and women in STEM fields, addressing gender disparities in these areas. â Initiates to integrate gender perspectives in Romania, support refugees in Germany, enhance earthquake engineering education in North Macedonia, and improve mathematics teaching in Malta. ⢠It aims to improve teaching practices, promote STEM research, and create a Regional STEM Clearinghouse for knowledge sharing, all while aligning with the United Nations’ Sustainable Development Goals (SDGs).
Way Forward: By implementing these adaptive methodologies, educational institutions and Industries can create a dynamic learning environment that not only enhances students’ understanding of STEM subjects but also cultivates the critical thinking and innovative skills necessary for future success in these fields.
AÂ 9-judge Constitution Bench of the Supreme Court, in a majority judgment (8:1), held that not every private resource can be considered a âmaterial resource of the communityâ to be used by the government to serve the âcommon goodâ under Article 39(b).
This overturns the earlier interpretation formed in 1977that has been followed by the Supreme Court till 1997.
What are Constitutional Provisions?
Part IV of the Constitution contains the Directive Principles of State Policy (DPSP) where government should strive to achieve social and economic justice in our society.
Article 39(b) in Part IV provides that âownership and control of material resources of the community are so distributed as best to subserve the common good.â
Articles 19(1)(f) and 31 originally guaranteed right to property and compensation for acquisition as a Fundamental Right respectively.
Article 31C that was added through the 25th amendment in 1971, provided an exception that laws made to fulfil the principles under Articles 39(b) and (c) shall not be void on the ground that it violated Fundamental Rights including right to property.
In the Kesavananda Bharati case (1973), a 13-judge Bench of the Supreme Court upheld the validity of Article 31C but made it subject to judicial review.
In 1978, the right to property was omitted from Fundamental Rights and made a constitutional right under Article 300A.
Any law to acquire private property by the government should only be for a public purpose with adequate compensation meted out.
What were earlier judgments?
In the State of Karnataka vs. Ranganatha Reddy (1977) case, the Supreme Court upheld a law nationalizing private bus services, with Justice V.R. Krishna Iyer interpreting “material resource of the community” in Article 39(b) to include all national wealth.
This minority opinion influenced the Sanjeev Coke Manufacturing Company vs. Bharat Coking Coal Limited (1982) case, which also supported nationalization, and was referenced in Mafatlal Industries Limited vs. Union of India (1996).
What is the current ruling?
The SC recently ruled in the Property Owners Association vs. State of Maharashtra case that not all privately owned properties qualify as “material resources of the community” under Article 39(b).
A 9 judge bench, stated that only certain properties, based on their nature and impact on public welfare, can be considered for state acquisition to serve the common good.
This decision marks a shift from earlier interpretations that emphasized that individual property rights are protected and not every private asset can be appropriated by the state.
The ruling also noted that the term “distribution” in Article 39(b) includes both state acquisition and redistribution to private entities when it benefits the community.
What criteria should determine if a privately owned resource qualifies as a ‘material resource of the community’?
Purpose and Public Utility: Privately owned resources may be classified as âmaterial resources of the communityâ if they are essential for societal welfare, addressing collective needs, or fulfilling significant public purposes, such as energy, water, or land critical for infrastructure.
Proportionality and Fairness: The court emphasized that any state action must be proportional, balancing public benefit with the impact on private owners.
Economic Impact and Control: Resources that substantially impact the national economy or are crucial for maintaining societal equity (such as natural resources) may be considered community resources, but this does not apply to general private property.
How does this ruling impact the balance between individual property rights and the state’s ability to intervene for public welfare?
This ruling reinforces individual property rights, clarifying that private property cannot be arbitrarily acquired under the guise of benefiting society. The state must justify the acquisition based on substantial, verifiable public welfare needs.
Limitations on State Power: By rejecting an expansive interpretation of Article 39(b), the court limits state power, ensuring that only properties directly tied to public interest and welfare fall under this category.
What are the potential economic implications of this ruling in India?
Investment Climate: This ruling strengthens protections for private property, likely improving investor confidence by assuring that property rights are safeguarded from excessive state intervention.
Economic Development and Social Equity: By narrowing the scope of Article 39(b), the ruling limits redistributive policies to sectors where public welfare is a clear priority, allowing economic resources to be distributed in a manner that considers social equity while respecting individual rights.
Real Estate and Industrial Sectors: The ruling could positively affect sectors with high-value assets, such as real estate and industry, as businesses will have greater certainty regarding property ownership and security.
How might this decision influence future legal interpretations and legislative actions?
Refined Scope for Article 39(b) Applications: Future legislation under Article 39(b) must specifically justify how resources qualify as âmaterial resources of the community,â likely limiting nationalization or acquisition to specific, strategically important sectors.
Increased Judicial Scrutiny on Property Rights: Courts are likely to more critically evaluate state actions that aim to redistribute private property, requiring robust evidence of public interest and alignment with constitutional principles.
Potential for Policy Revisions: Laws that invoke Article 39(b) and related provisions may need to be reviewed to ensure they comply with this interpretation, leading to a more nuanced application of public welfare policies.
Way forward:Â
Establish Clear Guidelines for Public Interest Acquisition: The government should define transparent criteria for categorizing âmaterial resources of the community,â ensuring acquisitions serve substantial public welfare needs and align with societal priorities, especially in areas like infrastructure and essential services.
Strengthen Judicial and Legislative Safeguards: Introduce legal safeguards to protect individual property rights, allowing courts to rigorously assess state actions on property acquisition, ensuring proportionality, fairness, and adherence to constitutional principles.
Mains PYQ:
Q How did land reforms in some parts of the country help to improve the socio-economic conditions of marginal and small farmers? (UPSC IAS/2021)
Odishaâs law minister recently clarified that there was no secret chamber inside the treasury of the Jagannath Temple in Puri.
About Jagannath Puri Temple
The Jagannath Temple is an important Vaishnavite temple dedicated to Jagannath, a form of Sri Krishna in Puri in Odisha.
The present temple was rebuilt from the 10th century onwards, on the site of an earlier temple, and begun by Anantavarman Chodaganga Deva, the first king of the Eastern Ganga dynasty.
The Puri temple is famous for its annual Ratha Yatra, or chariot festival, in which the three principal deities are pulled on huge and elaborately decorated temple cars.
Itâs Architecture:
With its sculptural richness and fluidity of the Oriya style of temple architecture, it is one of the most magnificent monuments of India.
The huge temple complex covers an area of over 400,000 square feet and is surrounded by a high fortified wall.
This 20 feet high wall is known as Meghanada Pacheri.
Another wall known as kurma bedha surrounds the main temple.
The temple has four distinct sectional structures, namely:
Deula, Vimana or Garba griha (Sanctum sanctorum) where the triad deities are lodged on the ratnavedi (Throne of Pearls). In Rekha Deula style;
Mukhashala (Frontal porch);
Nata mandir/Natamandapa, which is also known as the Jagamohan (Audience Hall/Dancing Hall), and
Bhoga Mandapa (Offerings Hall)
PYQ:
[2012] The Nagara, the Dravida and the Vesara are the:
(a) Three main racial groups of the Indian subcontinent
(b) Three main linguistic divisions into which the languages of India can be classified
(c) Three main styles of Indian temple architecture
(d) Three main musical Gharanas prevalent in India
The Government of India, in collaboration with the International Buddhist Confederation (IBC), held the first Asian Buddhist Summit (ABS) in New Delhi.
About the Asian Buddhist Summit (ABS)
ABS is a high-level conference organized to bring together Buddhist leaders, scholars, and practitioners from across Asia.
The theme of the first summit was âRole of Buddha Dhamma in Strengthening Asiaâ.
It aligns with Indiaâs Act East Policy, aiming to deepen cultural and spiritual ties across Asian nations.
Key topics discussed at the summit include:
The role of Buddhist art, architecture, and heritage.
The dissemination of Buddha Dhamma and its cultural influence across Asia.
The significance of holy Buddhist relics and their societal impact.
The relevance of Buddhist philosophy and literature in the 21st century.
Exploring the relationship between Buddhism and scientific research for health and well-being.
About Buddhism:
Details
Origin of Buddhism
⢠Originated in India over 2,600 years ago.
⢠Founded by Siddhartha Gautama (the Buddha) around 563 BCE.
⢠Born into the royal family of the Sakya clan in Lumbini, near the Indo-Nepal border.
⢠At age 29, Gautama renounced a life of luxury and embraced asceticism.
⢠Attained Bodhi (enlightenment) after 49 days of meditation under a pipal tree in Bodhgaya, Bihar.
⢠Delivered his first sermon in Sarnath, known as Dharma-Chakra-Pravartana.
⢠Died at 80 in Kushinagara (Mahaparinirvana) in 483 BCE.
Tenets of Buddhism
⢠Advocated the Madhyam Marg (Middle Path) between indulgence and asceticism.
⢠Emphasized individual responsibility for happiness.
⢠Four Noble Truths (ariya-sachchani):
1. Dukkha: Suffering is inherent.
2. Samudya: Every suffering has a cause.
3. Nirodha: Suffering could be extinguished.
4. Atthanga Magga: Achieved through the Eightfold Path.
⢠Eightfold Path (astangika marg): Right view, intention, speech, action, livelihood, mindfulness, effort, concentration.
⢠Ultimate goal: Attaining Nirvana (Nibbana).
⢠Five Precepts (Panchasil): Prohibitions against violence, stealing, sexual misconduct, lying, and intoxicants.
Major Buddhist Texts
⢠Initially oral teachings, memorized by the Sangha.
⢠Written down around 25 BCE in Pali.
⢠Three Pitakas:
1. Vinaya Pitaka: Monastic rules.
2. Sutta Pitaka: Main teachings, divided into five Nikayas (Digha, Majjhima, Samyutta, Anguttara, Khuddaka).
3. Abhidamma Pitaka: Philosophical analysis of teachings.
⢠Other important texts: Divyavadana, Dipavamsa, Mahavamsa, Milind Panha.
Role of the Buddhist Councils
⢠Important turning points in early Buddhism, leading to sectarian clashes and the Great Schism.
⢠Four Major Councils:
1. First Council (483 BCE): Presided by Mahakasyapa, aimed to preserve teachings.
2. Second Council (383 BCE): Addressed monastic discipline.
3. Third Council (250 BCE): Under Ashoka, focusing on spreading Buddhism.
4. Fourth Council (72 CE): Led to division into Mahayana and Hinayana.
Different Schools of Buddhism
⢠Mahayana: “Great Vehicle,” emphasizes Bodhisattva ideal and idol worship; spread to Central and East Asia.
⢠Hinayana: “Lesser Vehicle,” focuses on individual salvation and original teachings; Theravada is a major branch.
⢠Theravada: Closest to original teachings; dominant in Cambodia, Laos, Myanmar, Sri Lanka, and Thailand.
⢠Vajrayana: “Vehicle of the Thunderbolt,” complex rituals; developed around 900 CE.
⢠Zen: Focuses on meditation, developed in China and Japan.
Spread of Buddhism in Ancient India
⢠Monastic organization through Sangha for spreading teachings.
⢠Rapid growth during Buddhaâs lifetime.
⢠Ashoka’s influence post-Kalinga conquest; adopted Dhamma conquest, sending missions to various regions, including Gandhara, Kashmir, Greece, Sri Lanka, Burma (Myanmar), Egypt, and Thailand.
PYQ:
[2020] With reference to the religious history of India, consider the following statements:
1. Sthaviravadins belong to Mahayana Buddhism.
2. Lokottaravadin sect was an offshoot of Mahasanghika sect of Buddhism.
3. The deification of Buddha by Mahasanghikas fostered the Mahayana Buddhism.
Which of the statements given above is/are correct?
Indian astronomers at the Kodaikanal Solar Observatory (KSO) have achieved a groundbreaking feat by mapping, for the first time, the variation in the Sun’s rotation speed from its equator to its poles.
Sunâs Rotation: Key Facts
Unlike a solid body, the Sun exhibits differential rotation, meaning different parts of the Sun rotate at different speeds.
The rotation speed varies depending on latitude, with faster rotation near the equator and slower rotation toward the poles.
This variation is primarily due to the Sunâs composition of gaseous plasma rather than solid material.
Rotation Period Variation by Latitude:
Equatorial Regions: The rotation period at the equator is the fastest, around 24.47 days (sidereal rotation).
Sunspot Zones (about 16 degrees latitude): Rotation slows slightly, with a period of about 27.3 days.
Higher Latitudes (up to 75 degrees): Rotation slows significantly; for example, at 75 degrees latitude, the rotation period is about 33.4 days.
Poles: The slowest rotation occurs at the poles, with a period around 31.1 days.
Sidereal vs. Synodic Rotation Periods:
Sidereal Rotation Period: The time taken for the Sun to complete one full rotation relative to distant stars. It varies by latitude, from 24.47 days at the equator to around 33.4 days at higher latitudes.
Synodic Rotation Period: This is the time for a fixed feature on the Sun to appear in the same position when observed from Earth. It is longer than the sidereal period due to Earthâs own movement around the Sun, averaging around 26.24 days.
Why Differential Rotation Occur?
Gaseous Plasma Composition: The Sun is composed of plasmaâa hot, ionized state of matterâwhich allows its different regions to rotate at different speeds.
Convective Zone Dynamics: The outer convective layer of the Sun contributes to differential rotation. Plasma circulates, rising and sinking, which influences the rotational speed at different latitudes.
Scientific Implications
Solar Dynamo Theory: The differential rotation of the Sun is central to theories about the solar dynamoâthe process that generates the Sunâs magnetic field.
Mystery of Differential Rotation: Despite extensive research, the exact mechanism behind the Sunâs differential rotation remains an active area of investigation in solar physics.
Himalayan glacial lakes are expanding rapidly, posing greater risks to communities and ecosystems according to a Central Water Commission (CWC) report.
Key highlights of the CWC report:
Rapid Expansion of Glacial Lakes: Glacial lakes across the Himalayan region expanded by 10.81% in surface area from 2011 to 2024. In India alone, glacial lakes grew by 33.7% over the same period, posing serious risks to local communities and ecosystems.
High-Risk Lakes: The report identifies 67 lakes in India with a more than 40% increase in size, placing them in the high-risk category for glacial lake outburst floods (GLOFs).
Regional Expansion Trends: The surface area of glacial lakes in the Himalayas grew from 533,401 hectares in 2011 to 591,108 hectares in 2024, largely due to accelerated glacier melt from rising temperatures.
Advanced Monitoring: The CWC is employing satellite technologies like Sentinel-1 SAR and Sentinel-2 multispectral imagery for precise, year-round data collection to monitor lake size and potential outburst risks.
About Central Water Commission (CWC):
Details
Establishment
Established in 1945 as the Central Waterways, Irrigation and Navigation Commission (CWINC);
On the advice of Dr. B. R. Ambedkar (a member of the then Viceroyâs Executive Council).
Nodal Ministry
Ministry of Jal Shakti under the Department of Water Resources, River Development and Ganga Rejuvenation.
Status
Statutory body serving as an advisory entity to the GoI on water resources development and management.
Headquarters
New Delhi
General Responsibilities
Initiating, coordinating, and furthering schemes for the control, conservation, and utilization of water resources.
Compiles and maintains nationwide National Register of Large Dams (NRLD).
Conducts hydrological surveys.
Scope of Work
CWC deals exclusively with surface water; the Central Groundwater Board (CGWB) manages groundwater resources.
Chairman
Chairman serves as the Ex-Officio Secretary to the GoI.
Wings of CWC
⢠Designs and Research (D&R) Wing
⢠River Management (RM) Wing
⢠Water Planning and Projects (WP&P) Wing
PYQ:
[2020] Consider the following statements:
1. 36% of Indiaâs districts are classified as âoverexploitedâ or âcriticalâ by the Central Ground Water Authority (CGWA).
2. CGWA was formed under the Environment (Protection) Act.
3. India has the largest area under groundwater irrigation in the world.
Which of the statements given above is/are correct?
Chhattisgarh, with its cultural richness and natural resources, is starting an industrial path with the 2024-29 policy.
This plan is part of “Amritkaal: Chhattisgarh Vision@2047” to grow self-sufficient.
CASE STUDY: âAmritkaal: Chhattisgarh Vision@2047
This policy introduces special provisions for marginalized groups, including surrendered Naxals, women, and the third-gender community. This inclusivity aims to empower these groups socio-economically.
Specific packages are designed to support entrepreneurship among these communities through training and financial assistance, facilitating their integration into mainstream society.
The âAmritkaalâ policy classifies development areas into three groups based on their industrialization levels, ensuring that incentives are targeted towards backward areas to promote balanced growth across the state.
Focus on Sustainable Industries: There is a strong emphasis on promoting pollution-free industries, particularly in electric vehicle manufacturing and environmentally friendly products, ensuring sustainable growth.
Support for Start-ups: A dedicated fund of âš50 crore has been allocated to support start-ups, encouraging innovation and entrepreneurship throughout the state.
What strategies can be implemented to enhance economic resilience in communities?
For Targeted Training Programs: Implementing skill development initiatives tailored for marginalized groups can help them acquire the necessary skills for self-employment and entrepreneurship.
For Financial Assistance and Subsidies: Providing subsidized loans and financial incentives can lower barriers for starting new businesses, especially for women and the third-gender community.
For Establishment of Industrial Corridors: Developing industrial corridors can enhance connectivity and create a conducive environment for industries to thrive, leading to job creation and economic diversification.
How does self-sufficiency contribute to overall economic stability?
Reduced Dependency: Self-sufficiency allows communities to rely less on external resources, making them more resilient to economic shocks and fluctuations in global markets.
Local Job Creation: By fostering local industries and entrepreneurship, self-sufficiency contributes to job creation within communities, enhancing overall economic stability.
Sustainable Growth: Emphasizing sustainable practices ensures that economic growth does not come at the expense of environmental degradation, promoting long-term stability.
What role do various stakeholders play in fostering economic resilience?
Government: The government plays a crucial role by formulating policies that provide incentives and support for industrial development. It also facilitates training programs and infrastructure development.
Local Businesses and Entrepreneurs: Local businesses contribute by creating jobs and stimulating the economy. Entrepreneurs drive innovation and respond effectively to local market needs.
Community Organizations: NGOs and community organizations can assist in identifying the needs of marginalized groups and facilitate access to resources such as training and financial assistance.
Way forward:Â
Integrated Community Development Programs: Establish comprehensive programs that unite training, financial assistance, and mentorship specifically for marginalized groups.
Public-Private Partnerships for Infrastructure Development: Encourage collaboration between the government and private sector to develop industrial corridors and infrastructure that facilitate economic activities.
Mains PYQ:
Q Can the strategy of regional-resource-based manufacturing help in promoting employment in India? (UPSC IAS/2019)
