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πŸ”† Irrigation in Indian Agriculture

βœ… Rainfed agriculture: 55% of area under cultivation
πŸ“Š Ministry of Agriculture

βœ… Irrigated area: 45%
β€’ Wells & tubewells: 60%
β€’ Canals: 30%
β€’ Tanks: 5%
πŸ“Š Ministry of Agriculture

βœ… Water use efficiency in agriculture: ~40%
β€’ (Developed nations: 50–60%)
πŸ“Š Ministry of Jal Shakti

#Data #GS3 #GS1 #mains #agriculture


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πŸ”† Fertilisers in Indian Agriculture

βœ… India’s position:
β€’ 3rd largest producer
β€’ 2nd largest consumer (after China)
πŸ“Š FAO

βœ… Fertiliser subsidy:
β€’ 0.5% of GDP (2nd after food subsidy)
β€’ β‚Ή1.75 lakh crore
β€’ Only 35% reaches intended beneficiaries
πŸ“Š NITI Aayog

βœ… Urea dominates sector:
β€’ 85% produced, 75% consumed, 50% imported
πŸ“Š Economic Survey

βœ… NPK Ratio:
β€’ Ideal = 4:2:1
β€’ 2023–24 actual = 10.9:4.4:1
πŸ“Š Fertiliser Association of India

#Data #GS3 #GS1 #mains #agriculture


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Forwarded from UPSC MINDMAPS diagrams
πŸ”† Implications of Ageing

πŸ“ Key Challenges
βœ… Shrinking workforce, slowing growth, and rising pension burden
βœ… Increased geriatric care demand and healthcare system stress
βœ… Breakdown of joint families, elder loneliness, and social insecurity
βœ… Need for reform in retirement age, pension systems, and re-skilling

πŸ“ Government Initiatives
βœ… National Policy for Older Persons (1999): Ensures rights-based welfare
βœ… MWPSC Act (2007): Mandates family support for elders
βœ… IPOP: Supports NGO-led elderly services
βœ… Rashtriya Vayoshri Yojana: Assistive devices for BPL seniors
βœ… IGNOAPS: Monthly pensions for 60+ BPL citizens
βœ… Senior Citizens’ Welfare Fund: Uses unclaimed deposits for elder care

#social_issue #GS1 #GS2 #GS3

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#Goodmorning

⏳62 days left CSM25 [ 22-08-25]
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#Target
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Forwarded from UPSC PIB NEWS
πŸ“ Nonia Rebellion
βœ…The Nonias were traditional salt makers, and they also had expertise in producing Shora (saltpetre) β€” an essential ingredient in making gunpowder.
βœ…The Nonia Rebellion refers to a series of uprisings by the Nonia community between 1778 and 1800 in Bihar, particularly in the districts of Saran, Vaishali, and Purnia.
βœ…It was a grassroots movement against the British East India Company’s exploitative revenue policies, and oppression by local zamindars.

πŸ“Buddhu Nonia
βœ…Buddhu Nonia was a freedom fighter from the Nonia community in Bihar.
βœ…He actively participated in the Salt Satyagraha movement led by Mahatma Gandhi.
βœ…He began making salt as an act of civil disobedience and was deceitfully arrested and thrown into a boiling salt cauldronβ€”an act that turned him into a martyr of the freedom movement


#history
#prelims


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πŸ”† Transport Sector – Key Stats (India)
🧾 Sources: Economic Survey 2023, NITI Aayog, National Logistics Policy

πŸ“ GDP Contribution:
βœ… Transport sector contributes ~4.5% to India’s GDP.

πŸ“ Freight Share:
βœ… Road > 60%
βœ… Railways 30%
βœ… Waterways 10%

πŸ“ Passenger Share:
βœ… Road & others 85%
βœ… Railways 15%

πŸ“ Emissions:
βœ… Transport sector causes ~14% of India’s total emissions.

πŸ“ Cost (β‚Ή/tonne/km):
βœ… Road: β‚Ή2.5
βœ… Railways: β‚Ή1.3
βœ… Waterways: β‚Ή1.0

#Data #GS3 #GS1 #mains #economy


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πŸ”† Railways & Logistics Sector – Key Stats (India)
🧾 Sources: Railways Ministry, PIB, Economic Survey 2023

πŸ“ Railways
βœ… 4th largest network globally – 70,000 km
βœ… Operating ratio ~ 98% (freight 60%, passengers 190%)
βœ… 44 consequential accidents/year (avg., last 5 yrs)
βœ… Passenger subsidy: 46% subsidy, totaling β‚Ή56,993 crore

πŸ“ Logistics Sector
βœ… Current cost: 13–14% of GDP
βœ… Target: Reduce to 9%
βœ… Emissions share: ~ 10% of India’s total emissions

#Data #GS3 #GS1 #mains #economy


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πŸ”† Effects of Ocean Currents

πŸ“ Climate Control
βœ… Warm currents raise temperatures; cold ones cool them.
➑️ Example: North Atlantic Drift warms England; Canary cools Spain.

πŸ“ Rainfall & Deserts
βœ… Warm currents β†’ more rainfall.
βœ… Cold currents β†’ desert formation.
➑️ Example: Cold Humboldt Current causes the Atacama Desert.

πŸ“ Fishing Zones
βœ… Convergence of warm & cold currents supports plankton β†’ rich fish stocks.
➑️ Example: Grand Banks of Newfoundland.

πŸ“ Navigation
βœ… Currents aid efficient maritime travel by influencing shipping lanes.

πŸ“ Temperature Moderation
βœ… Currents redistribute heat and stabilize coastal climates.
➑️ Example: England remains mild due to warm currents.

#Geography
#Goodmorning

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Forwarded from UPSC PIB NEWS
πŸ”†Quantum 5G Fixed Wireless Access:
βœ…Quantum 5G FWA is a Fixed Wireless Access solution by BSNL that offers high-speed internet without physical fibre, using 5G radio waves and SIM-less architecture.
βœ…Launched By: Launched by

βœ…Direct-to-Device (D2D) platform replaces the need for physical SIM cardsβ€”devices connect automatically over 5G networks.
βœ…Customer Premises Equipment (CPE) uses built-in authentication, enabling instant and seamless access to the internet.
βœ…Operates entirely on an indigenous technology stack (core network, radio access network β€“ RAN, and CPE) developed by Indian vendors under the Atmanirbhar Bharat
βœ…No dependency on foreign componentsβ€”fully controlled and operated within Indian digital infrastructure.
πŸ“Key Features:
βœ…SIM-less architecture: First-of-its-kind in Indiaβ€”removes physical SIM requirement for 5G Fixed Wireless Access (FWA).
βœ…Made-in-India tech stack: Designed and integrated by Indian engineersβ€”core network, RAN, and devices all built domestically.
βœ…High-speed performance: Achieves up to 980 Mbps download and 140 Mbps upload with latency below 10 millisecondsβ€”supports bandwidth-heavy applications.
βœ…Easy and rapid deployment: Plug-and-play CPE deviceβ€”no trenching or laying of fibre cables needed; covers over 85% of Hyderabad households.
βœ…Optimized for modern needs: Ideal for Ultra-HD video streaming, cloud-based gaming, remote working, and smart home devices.
πŸ“Significance:
βœ…Establishes BSNL as India’s first telecom operator offering indigenous, SIM-less 5G Fixed Wireless Access.
βœ…Demonstrates India’s capabilities under Atmanirbhar Bharat in designing and deploying cutting-edge telecom infrastructure.
βœ…Enables affordable gigabit-speed internet for both urban centres and underserved/rural regions, bridging the digital divide.


#prelims #GS3
#science_and_technology
#science_technology

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πŸ”†Coal Gasification

βœ…The Ministry of Coal has signed the Coal Gasification Plant Development and Production Agreement (CGPDPA) with selected applicants under Category II of the Coal Gasification Financial Incentive Scheme.

πŸ“Coal Gasification?

βœ…Coal gasification is a thermo-chemical process that converts coal into syngas, a synthetic gas composed mainly of Carbon Monoxide (CO), Hydrogen (Hβ‚‚), Carbon Dioxide (COβ‚‚), Methane (CHβ‚„), and Water Vapour (Hβ‚‚O).
βœ…Coal is reacted at high temperatures (1000–1400Β°C) with a controlled amount of oxygen and steam, producing syngas.

πŸ“Process of Coal Gasification

βœ…Preparation: Coal is finely crushed to increase surface area.
βœ…Gasification reactor: The powdered coal is fed into a reactor with limited oxygen/air and steam.
βœ…Chemical reactions: Coal breaks down into syngas components due to partial oxidation.
Gas cleaning: Impurities like tar, sulfur, and dust are removed from raw syngas.

πŸ“Ex-situ vs In-situ Gasification
Aspect


βœ…Ex-situ Gasification
πŸ”°Location: Above ground in controlled gasifiers
πŸ”°Process :Coal is extracted and gasified in reactors
πŸ”°Application :Suitable for shallow reserves
πŸ”°Efficiency :More energy is used in mining and handling

πŸ“In-situ Gasification
πŸ”°Location: Underground, in coal seams
πŸ”° process: Oxygen and steam are injected into the coal seam to generate syngas underground
πŸ”°Application: Ideal for deep or unmineable coal seams
πŸ”°Efficiency:More energy-efficient for deeper deposits

#gs3
#environment

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πŸ”† Wealth Inequality Insights

πŸ“ World’s richest 1% own twice as much wealth as the rest 99%
βœ… Source: Oxfam Report

πŸ“ India’s richest 1% hold 4 times the wealth owned by bottom 70%
βœ… Source: Oxfam Report

πŸ“ India’s richest 1% hold 42.5% of nation’s wealth, and richest 10% hold 75% of the nation’s wealth
βœ… Source: Oxfam Report

πŸ“ Gini Coefficient value = 0.20
βœ… Source: SDG India Index 2024

#Data
#Goodmorning

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Forwarded from UPSC Prelims 2025
πŸ”†Scalable Solar-Driven Device for Affordable Green Hydrogen Production:

βœ…Developed a next-gen device that splits water molecules to produce green hydrogen using only solar energy.
βœ…Uses earth-abundant, low-cost materials, avoiding fossil fuels and rare expensive components.
βœ…Employs silicon-based photoanode with advanced n-i-p heterojunction architecture.
πŸ“Technical Highlights:
βœ…Architecture: n-type TiOβ‚‚ / intrinsic Si / p-type NiO layers β€” enabling efficient charge separation & transport.
βœ…Fabrication: Using magnetron sputtering, an industry-scalable technique.
βœ…Achieved 600 mV surface photovoltage, low onset potential (11 VRHE).
βœ…Demonstrated long-term stability β€“ 10 hours continuous operation with <4% performance drop.
βœ…Successfully scaled to 25 cmΒ² photoanode size effective for large-scale hydrogen production.
πŸ“Advantages of the Device:
βœ…High efficiency conversion
βœ…Purely solar-driven
βœ…Durable and stable
βœ…Cost-effective materials
βœ…Scalable design
πŸ“Significance:
βœ…Decarbonizing industries
πŸ“Advances India’s hydrogen mission
βœ…Supports net-zero targets
βœ…Global energy transition
βœ…Versatile applications

#gs3 #prelims
#environment #economy #energy

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