CSE EXAM upsc prelims mains CAPF CDS NDA
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The toughest exam of the Nation & Dreams of many UPSC CSE.
Here we provide free materials related to all three stages of exam I.e. Prelims,Mains and Personality Test

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πŸ”† ONE LINERS – 31 AUGUST 2026

πŸ”† INTERNATIONAL RELATIONS & ISSUES

πŸ“ Javelin Missile Deal with United States
🟒 India signed a Letter of Offer and Acceptance (LOA) with the US to procure Javelin anti-tank guided missile systems through the Foreign Military Sales (FMS) route.
🟒 Javelin Missile: A medium-range, fire-and-forget anti-tank missile capable of engaging armoured vehicles and fortified positions.
🟒 Production: Manufactured by the Javelin Joint Venture of RTX and Lockheed Martin.
🟒 Significance: Enhances India’s anti-armour capabilities and deepens defence-industrial ties with the US.

πŸ“ Key Petrol Supplier to Russia
🟒 India emerged as a key supplier of gasoline (petrol) to Russia amid refinery disruptions caused by Ukrainian drone attacks.
🟒 Russia’s seaborne gasoline imports surged to a record 125,000 barrels per day in August 2026.
🟒 Indian refiners supplied around 1 million barrels over the previous two months, mainly from the Vadinar refinery of Nayara Energy.
🟒 Reason: Attacks caused up to a 70% drop in Russian domestic fuel production.
🟒 Other suppliers: Turkey and Morocco.

πŸ“ Uzbekistan’s Oliy Darajali Do’stlik Order
🟒 Uzbekistan conferred its highest state award, the β€˜Oliy Darajali Do’stlik’ Order, on PM Narendra Modi.
🟒 It was presented by President Shavkat Mirziyoyev during PM Modi’s two-day state visit to Tashkent.
🟒 Awarded for strengthening the India-Uzbekistan Strategic Partnership and deepening bilateral ties.
🟒 Marks PM Modi’s 36th global honour.

πŸ“ Iceland on Joining the European Union
🟒 Icelandic voters rejected a proposal to resume talks on joining the European Union (EU).
🟒 Result: 53% opposed restarting membership negotiations.
🟒 Supporters argued that EU membership could lower inflation and interest rates, while adopting the euro could provide greater stability.
🟒 Opponents highlighted that Iceland already benefits from the EU Single Market and Schengen Zone without the obligations of full membership.

πŸ”† ECONOMY

πŸ“ Devadurga Gold and Copper Exploration
🟒 Officials will expedite mineral exploration in the Devadurga gold-copper block secured by SCCL.
🟒 Location: Near the Hutti Gold Mines.
🟒 A proposed SCCL-Hutti joint venture will combine expertise to boost gold production and adopt advanced technologies.
🟒 The Hutti project produces around 2–4 kg of gold per day.
🟒 Significance: Aims to reduce import dependence and increase domestic gold production.

πŸ“ Chipflation
🟒 The global AI investment boom has created an acute shortage of memory chips, leading to rising prices of consumer electronics.
🟒 Price Rise: CPI data shows a 3–5% increase in electronics prices between January and July 2026.
🟒 Mobile phones rose by 4%, ACs by 4.8% and TVs by 3.5%.
🟒 Reason: Chipmakers are prioritising advanced AI and data-centre chips, reducing DRAM supply for consumer goods.
🟒 DRAM: A type of volatile semiconductor memory used to store data that processors need to access quickly.
🟒 Global Impact: Smartphone exports declined by 11%, while the US Producer Price Index for electronic components rose by 28%.

πŸ“ Four-Laning of 11,000 km Rail Network
🟒 Indian Railways plans to four-lane 11,000 km of its high-density network to boost capacity and ease congestion.
🟒 Key Routes: Delhi-Howrah, Howrah-Chennai, Chennai-Mumbai, Mumbai-Delhi, Delhi-Chennai, Mumbai-Howrah and Delhi-Guwahati.
🟒 These routes form only 16% of the railway network but carry 41% of total rail traffic.
🟒 Benefits: Greater flexibility, reduced track pressure and improved passenger and freight movement.
🟒 Kavach 4.0: Expanded to 2,490 route km across the Delhi-Mumbai and Delhi-Howrah corridors.

πŸ”† SCIENCE & TECHNOLOGY

πŸ“ Quantum and AI University Campus
🟒 India’s first dedicated Quantum and AI University has been approved at Amaravati by the National Institute of Electronics and Information Technology (NIELIT).
🟒 Focus: Quantum Technologies, Artificial Intelligence, Semiconductors and deep-tech.

🟒 Programmes: UG, PG, doctoral, diploma and executive courses in Quantum Computing, AI, Data Science, Semiconductor Fabrication, Chip Design, VLSI and HPC.
🟒 The campus will feature smart classrooms, laboratories, hostels, an auditorium and sports facilities, with a 500-bed residential capacity.
🟒 Sustainability: Solar power, EV charging and waste-management facilities.
🟒 Significance: Strengthens Amaravati as a national hub for quantum, AI, semiconductor and deep-tech innovation.

πŸ”† MISCELLANEOUS

πŸ“ National Small Industry Day
🟒 Observed on 30 August.
🟒 History: Originates from the policy package announced on 30 August 2000; the first convention and awards were held on 30 August 2001 in New Delhi.
🟒 Significance: Celebrates the contribution of small-scale industries and MSMEs to the national economy.
🟒 MSMEs contribute over 30% of GDP, nearly 45% of exports and employ over 11 crore people.

πŸ“ International Whale Shark Day 2026
🟒 Observed on 30 August to raise awareness about whale shark conservation.
🟒 Wildlife Trust of India (WTI) launched the Save the Whale Shark Campaign along the Karnataka, Kerala and Lakshadweep coasts.
🟒 Whale Shark (Rhincodon typus): Earth’s largest fish and a keystone species in marine ecosystems.
🟒 In India: Found along the entire coast, with the largest aggregation along the Gujarat coast.
🟒 Status:Endangered on the IUCN Red List and listed under Schedule I of the Wild Life (Protection) Act, 1972.

#CurrentAffairs
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πŸ”† Samarthak: Indian Navy’s First Indigenous Multi-Purpose Vessel Delivered by L&T

πŸ“ Why in News?
🟒 The Indian Navy took delivery of Samarthak, India’s first indigenously built Multi-Purpose Vessel (MPV), from Larsen & Toubro⁠’s Kattupalli shipyard on 28 August 2026.
🟒 The vessel has over 75% indigenous content, marking a significant step in naval self-reliance under Aatmanirbhar Bharat.

πŸ“ Samarthak β€” At a Glance
🟒 Type: Multi-Purpose Vessel (MPV)
🟒 Builder: L&T, Kattupalli Shipyard, Tamil Nadu
🟒 Indigenous content: Over 75%
🟒 Primary roles: Maritime trials and evaluation, surveillance and reconnaissance, offshore patrolling, and HADR support
🟒 Name meaning: Samarthak β€” β€œThe Enabler” or β€œThe Proponent”

πŸ“ Strategic Significance
🟒 Supports the trial and evaluation of indigenous weapons, sensors and naval systems.
🟒 Enhances the Navy’s HADR and maritime support capabilities in the Indian Ocean Region.
🟒 Demonstrates the growing role of the private sector in India’s defence shipbuilding ecosystem.
🟒 Reduces dependence on imported specialist vessels and associated supply chains.

πŸ“ Indigenisation Milestones
🟒 INS Nilgiri (1972): India’s first indigenously designed warship.
🟒 Delhi-class and Shivalik-class programmes: Progressive increase in indigenous capabilities.
🟒 INS Vikrant (2022): India’s first indigenous aircraft carrier.
🟒 Samarthak (2026): Expands indigenous shipbuilding into the multi-purpose vessel category.

πŸ“ Challenges Ahead
🟒 High indigenous content does not necessarily imply complete Indian design and IPR ownership.
🟒 Private shipyards require a steady order pipeline to sustain skilled manpower and infrastructure.
🟒 The next challenge is moving from import substitution to genuine technological self-reliance.

πŸ“ Prelims Pointers
🟒 MPV: A flexible platform for multiple roles such as trials, surveillance, patrolling and HADR.
🟒 HADR: Humanitarian Assistance and Disaster Relief.
🟒 IDDM: Indigenously Designed, Developed and Manufactured β€” the most preferred procurement category under DAP 2020.
🟒 DAP 2020: Gives priority to indigenous design and manufacturing in defence procurement.

🎯 Mains Application:
India’s naval indigenisation must evolve from higher domestic content towards indigenous design, critical technology ownership and sustainable private-sector capacity.

✎ MAINS PRACTICE QUESTION
β€œIndia’s defence indigenisation programme has achieved symbolic milestones but faces structural challenges in transitioning from import substitution to genuine technological self-reliance.” Examine in the context of recent naval shipbuilding achievements.
15 marks Β· 250 words

#Defence
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πŸ”† Integrated Fertilizer Management System (iFMS)

πŸ“ Why in News?
🟒 The Integrated Fertilizer Management System (iFMS) has entered a new phase with digital initiatives to strengthen transparency and fertilizer supply-chain monitoring.

πŸ“ About iFMS
🟒 It is a digital platform that tracks fertilizer production, imports, movement, stocks, sales and subsidy.
🟒 Developed by: National Informatics Centre (NIC)
🟒 Technical Support: NIC for the Department of Fertilizers
🟒 Aim: To improve fertilizer availability, strengthen transparency and enable data-driven monitoring and decision-making.

πŸ“ Key Features
🟒 Wide Coverage: Covers over 14 crore Aadhaar-linked fertilizer buyers, 2.5 lakh+ retailers and around 7 crore metric tonnes of fertilizer sale transactions annually.
🟒 Subsidy Management: Supports the administration of nearly β‚Ή2 lakh crore in fertilizer subsidy annually.
🟒 Digital Monitoring: New dashboards provide a consolidated view of production, imports, dispatches, movement, stocks and retail sales at national, State, district and retailer levels.
🟒 Data Analytics: Enables analysis of purchases across buyer categories, landholdings, crops, districts and fertilizer types to identify consumption patterns.
🟒 Farmer & Agricultural Data: Integration with Meri Fasal Mera Byora (MFMB) and AgriStack links fertilizer transactions with farmer, land and crop information.

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πŸ”† Crafts of the Vedic Age

πŸ“ Early Vedic Age
🟒 The Early Vedic Period is associated with Ochre Coloured Pottery (OCP).
🟒 OCP was a Bronze Age culture of the Indo-Gangetic Plain.
🟒 It is generally dated to c. 2000–1500 BCE.
🟒 Its distribution extended from eastern Punjab to north-eastern Rajasthan and western Uttar Pradesh.

πŸ“ Later Vedic Age
🟒 People were acquainted with four types of pottery:
🟒 Black and Red Ware
🟒 Black Slipped Ware
🟒 Painted Grey Ware (PGW)
🟒 Red Ware

πŸ“ Painted Grey Ware (PGW)
🟒 Colour & Technique: Grey-coloured, wheel-made and thin-walled pottery.
🟒 Decoration: Decorated with geometric designs in red or black paint.
🟒 Characteristic Forms: Shallow dishes and deep bowls.
🟒 Distribution: Found across large parts of North India, with a high concentration in eastern Punjab and the central Gangetic Valley.
🟒 Significance: Associated with the introduction and spread of iron and overlaps with regions associated with the Later Vedic period.

#prelims
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πŸ”† ONE LINERS – 01 SEPTEMBER 2026

πŸ”† GEOGRAPHY

πŸ“ Emergency Over El NiΓ±o
🟒 Ecuador declares a national emergency and red alert due to El Niño.
🟒 Scale: Officials warn it could be the biggest El Niño on record.
🟒 Impact: Droughts and wildfires expected in the Amazon; wildfires in Indonesia and drought in Central America.
🟒 Regional Effect: El Salvador, Honduras, Panama and one-third of Peru’s cities also declared emergencies.
🟒 El Niño: Warming of central and eastern Pacific waters, disrupting rainfall, winds, atmospheric pressure, bird migration and fishing.

πŸ”† INTERNATIONAL RELATIONS & ISSUES

πŸ“ Super Garuda Shield 2026 – Indonesia & U.S.
🟒 Opened on 31 August 2026 at Sesko TNI, Bandung; runs till 11 September 2026.
🟒 Participants: Around 5,000 personnel from Indonesia, the U.S. and 13 troop-contributing nations.
🟒 History: Began in 2006 as bilateral Garuda Shield; expanded into a multinational exercise in 2022.
🟒 Activities: Joint staff exercise, cyber drills, airborne operations, jungle training, amphibious and maritime exercises.
🟒 Significance: Strengthens U.S.–Indonesia defence cooperation and Indo-Pacific interoperability.

πŸ“ U.S. Control of Venezuelan Oil Reserves
🟒 U.S. President announces a deal involving a joint venture overseeing 65 billion barrels of Venezuelan oil reserves.
🟒 Control: U.S. to retain 55% stake in the joint venture; a 100-year concession granted.
🟒 Impact: Could more than double American oil reserves and lower gasoline prices.
🟒 Significance: Venezuela holds the world’s largest proven oil reserves at around 303 billion barrels.

πŸ”† ECONOMY

πŸ“ India’s Energy Demand by 2047
🟒 India’s energy demand is projected to grow 2.5 times by 2047, accounting for 25% of incremental global energy demand.
🟒 India is the 3rd-largest consumer of energy and oil, 3rd-largest refiner and 4th-largest LNG importer.
🟒 Significance: India is increasingly shaping the global energy landscape.

πŸ“ India’s Coconut Exports 2026
🟒 Coconut exports recorded a 62% increase in 2025–26.
🟒 Activated Carbon: Dominant export product with 67% share; around 1.8 lakh tonnes exported.
🟒 Diversification: Virgin coconut oil, coconut milk, milk powder and coconut water.
🟒 Markets: Exported to 155+ countries; major markets include the U.S., UAE, Germany, Russia, UK and Netherlands.
🟒 World Coconut Day: Observed on 2 September.
🟒 2026 Theme: β€œCoconuts in Times of Uncertainty.”

πŸ“ Own Revenue Ranking
🟒 Formula: Own Revenue = (Own Tax + Own Non-Tax Revenue) Γ· Revenue Receipts Γ— 100.
🟒 Indicates a state’s revenue self-reliance, not its overall fiscal health.
🟒 Top: Delhi (93.2%), followed by Haryana (80.4%), Telangana (78.4%), Karnataka (77.3%) and Tamil Nadu (75.5%).
🟒 Lowest: Manipur (10.0%), Nagaland (12.5%), Arunachal Pradesh (12.8%), Tripura (16.6%) and Mizoram (19.6%).
🟒 Gap: Delhi and Manipur show a difference of 83.2 percentage points.

πŸ”† SECURITY

πŸ“ Second Diving Support Vessel – INS Nipun
🟒 INS Nipun, the second Nistar-class Diving Support Vessel, commissioned on 31 August 2026 at Naval Dockyard, Mumbai.
🟒 Built indigenously by Hindustan Shipyard Limited (HSL), Visakhapatnam.
🟒 Role: Deep-sea diving, underwater intervention, salvage and submarine rescue.
🟒 Supports saturation, air and heliox diving with remotely operated underwater systems and medical facilities.
🟒 Deployment: Under the Western Naval Command.
🟒 Sister ship INS Nistar was commissioned in July 2025 under Eastern Naval Command.
🟒 Significance: Strengthens India’s position as a β€œPreferred Submarine Rescue Partner” in the Indian Ocean Region.

πŸ”† SCIENCE & TECHNOLOGY

πŸ“ Nancy Grace Roman Space Telescope
🟒 NASA’s next flagship $4-billion space observatory.
🟒 Launch: Planned aboard SpaceX Falcon Heavy from Kennedy Space Center, Florida.
🟒 Named after Nancy Grace Roman, NASA’s first Chief Astronomer.
🟒 Will study dark energy, dark matter, gravity and exoplanets.
🟒 Survey: Expected to map over 2 billion galaxies and measure the universe’s expansion.
🟒 Orbit:Lagrange Point 2 (L2), about 1.6 million km from Earth.
🟒 Significance: A major next-generation observatory complementing the Hubble and James Webb telescopes.

πŸ“ Green Forge Complex – Mohali
🟒 First-of-its-kind Green Forge Complex inaugurated at BRIC-NABI, Mohali.
🟒 Purpose: Controlled simulation chambers for cultivation and experimentation involving GM crops.
🟒 Can vary light, humidity and temperature, integrating advanced simulation and AI.
🟒 Significance: Supports location-specific crop research and advances agricultural biotechnology.
🟒 Ecosystem: Linked with 22 manufacturing hubs and 8 specialised biofoundry facilities for startups, SMEs and researchers.

πŸ”† MISCELLANEOUS

πŸ“ Lionel Messi – International Retirement
🟒 Lionel Messi, aged 39, announces retirement from international football after the 2026 season.
🟒 Career: Led Argentina to two Copa América titles and the 2022 FIFA World Cup.
🟒 Also reached the 2026 FIFA World Cup final.
🟒 Recognition: First footballer to receive the Princess of Asturias Award for sports and social impact.

#CurrentAffairs
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πŸ”† Colonial Knowledge: Knowledge as an Instrument of Colonial Rule

πŸ“ Why did the British study India?
🟒 Colonial conquest was achieved not only through superior arms, military organisation, political power and economic wealth, but also through β€œcultural technologies of rule”, as noted by Nicholas Dirks. Knowledge of Indian laws, customs, languages, society and geography helped the colonial state understand, classify and govern India more effectively.

πŸ“ Warren Hastings and Colonial Knowledge
🟒 Warren Hastings wanted to end the Dual Government system under Robert Clive and lay the foundation of territorial rule in Bengal. However, he was not in favour of introducing English laws and ways in India. He preferred to rule the β€œconquered in their own way” by reconciling British rule with native Indian institutions.
🟒 Greater knowledge of Indian manners, customs, laws and literature would make British rule more acceptable to Indians and help keep revolts away.

πŸ“ Asiatic Society of Bengal
🟒 Established by William Jones in 1784, the Society aimed to systematically study and unearth knowledge about Asia. Its journal was Asiatick Researches.
🟒 William Jones acquired mastery over Sanskrit language and literature. He authored A Digest of Hindu Law on Contract and Succession, which was translated into English and published after his death by Henry Thomas Colebrook in 1796.
🟒 Charles Wilkins translated the Bhagavad Gita.
🟒 Henry T. Colebrook, a renowned Orientalist and successor to Jones, was appointed Professor of Sanskrit at Fort William in 1800. He studied the Vedas, placed them chronologically before the Puranas and outlined the existence of a monotheistic tradition in ancient India.

πŸ“ Codification of Hindu Laws
🟒 Hastings’ judicial reforms revealed differing interpretations of local laws by Brahman Pandits based on different schools of Dharmashastra.
🟒 To bring uniformity, 11 Pandits compiled a digest of Hindu laws, which N.B. Halhed translated into English as A Code of Gentoo Laws.
🟒 A Code of Gentoo Laws and A Digest of Hindu Law on Contract and Succession emerged as authoritative texts on Hindu law, with the Company government bearing the cost of their compilation and publication.

πŸ“ Survey and Mapping
🟒 The office of the Surveyor General of Bengal was established under Warren Hastings, and James Rennell became its first Surveyor General in 1764.
🟒 Rennell produced the Map of Hindoostan, the first authoritative mapping exercise of India. Sepoys and British Army officials were engaged in the survey and mapping process.

πŸ“ Administrators-cum-Scholars
🟒 Fort William College contributed to the emergence of administrators-cum-scholars, who applied their knowledge of India to colonial administration and induced significant changes in Indian society.

πŸ“ Conclusion
🟒 Thus, colonial knowledge was not merely academic. The systematic study of India’s laws, texts, languages, customs and geography became an important instrument for administering, controlling and legitimising colonial rule.

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