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📝 Revision Notes
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Defence & Technology
DRDO Mk-II(A) Laser DEW — India’s 4th-Country Status
DRDO tested the vehicle-mounted Mk-II(A) Laser Directed Energy Weapon (DEW) at NOAR, Kurnool, Andhra Pradesh in April 2025. The 30 kW system was tested at 3.5 km range in extreme heat. India is now the 4th country with this capability (after USA, Russia, China). Developed by CHESS, Hyderabad with LRDE, IRDE, and DLRL.
Space
Blue Origin NS-31 — First All-Female Spaceflight in 60+ Years
Blue Origin NS-31 was the first all-female spaceflight since Valentina Tereshkova’s solo journey in 1963. The 11-minute flight carried Katy Perry and five other women over 100 km above Earth. It was Blue Origin’s 11th human spaceflight. Blue Origin was founded in 2000; CEO: Dave Limp.
Arts & Literature
Mario Vargas Llosa — Nobel Laureate (1936–2025)
Mario Vargas Llosa (b. March 28, 1936, Arequipa, Peru) received the Nobel Prize in Literature in 2010. He passed away on April 13, 2025 at 89. A leading figure of the Latin American literary Boom alongside García Márquez and Carlos Fuentes, he was cited for mapping structures of power and the individual’s resistance.
Technology
Kompact AI — CPU-Based AI Platform
Kompact AI, launched by IIT-Madras, Ziroh Labs, and IIT-M Pravartak Foundation, enables AI model inference on standard CPUs without GPUs, supporting India’s ‘AI for All’ mission. It optimised 17 AI models including DeepSeek, Qwen, and Llama; works offline — suitable for remote and low-resource settings.
International Affairs
Gabon — Oligui Nguema Elected President
Brice Clotaire Oligui Nguema ended the Bongo family’s 56-year rule via a military coup in August 2023 (ousting Ali Bongo Ondimba). He was elected President in Gabon’s first post-coup election (April 2025) with 90.35% of votes for a 7-year term. Capital: Libreville; currency: Central African CFA franc.
Economy & Finance
IFC’s MSME Finance Gap — USD 5.7 Trillion
The IFC (International Finance Corporation) identified a global MSME finance gap of USD 5.7 trillion (USD 8 trillion including informal enterprises). MSMEs constitute 90%+ of businesses, contribute 50% of global GDP, and support 70% of global employment. The IFC’s Catalytic First Loss Guarantee Facility targets women-owned, agri, and climate-focused MSMEs.
Textiles
India’s Silk Industry — Production & Trade Data
India’s raw silk production rose from 31,906 MT (2017–18) to 38,913 MT (2023–24). Silk exports grew ~16.46% from Rs 1,649.48 crore to Rs 2,027.56 crore over the same period. India is the world’s 2nd-largest silk producer and the largest consumer of silk globally.
Environment
CPCB’s New ‘Blue Category’ — EES Industries
The CPCB (Chairman: Amandeep Garg) introduced a new ‘Blue Category’ for Essential Environmental Services (EES) industries, primarily Waste-to-Energy (WTE) incineration plants handling unsegregated Municipal Solid Waste. Previously Red Category, these industries now get an additional 2-year Consent to Operate (CTO) validity, based on the precautionary principle.
International Affairs
Ecuador — Daniel Noboa Re-elected President
Daniel Noboa won re-election as Ecuador’s President with 55.8% of votes, defeating Luisa González (Citizen Revolution Movement, 44%). First elected in November 2023 (snap election) at age 35 as Ecuador’s youngest-ever president, he now serves a full 4-year term. Capital: Quito; currency: US Dollar.
Science & Technology
World Quantum Day & IYQST 2025
World Quantum Day (April 14) marks its 4th observance in 2025, coinciding with the UN-designated International Year of Quantum Science and Technology (IYQST). Initiated in 2021 by scientists from 65+ countries, first observed April 14, 2022. India’s PSA office released the inaugural ITES-Q report; QNu Labs launched QShield for quantum-safe cryptography.
🎴 Revision Flashcards
Click each card to flip and test your recall
Tap to Reveal
What is the power output of DRDO’s Mk-II(A) DEW, and which countries possessed this capability before India?
30 kW; USA, Russia, China (India = 4th)
Tested at NOAR, Kurnool, AP; range 3.5 km; developed by CHESS, Hyderabad
Tap to Reveal
Blue Origin NS-31 was the first all-female spaceflight since whose journey, and in what year?
Valentina Tereshkova, 1963
Blue Origin’s 11th human flight; 11-minute duration; 100+ km altitude; CEO Dave Limp
Tap to Reveal
In what year did Mario Vargas Llosa win the Nobel Prize in Literature, and for what was he cited?
2010; cartography of structures of power and the individual’s resistance
Born Arequipa, Peru, 1936; died April 13, 2025; Latin American literary Boom alongside García Márquez
Tap to Reveal
What makes Kompact AI distinct, and which three AI models did it optimise?
Runs AI on CPUs (no GPU needed); DeepSeek, Qwen, Llama
IIT-Madras + Ziroh Labs + IIT-M Pravartak Foundation; works offline; 17 models total
Tap to Reveal
What is the IFC’s stated global MSME finance gap, and what share of global employment do MSMEs support?
USD 5.7 trillion (USD 8 trillion incl. informal); 70% of global employment
MSMEs = 90%+ of businesses; 50% of global GDP; IFC facility targets women-owned, agri, and climate MSMEs
Tap to Reveal
What is India’s rank in global silk production and consumption, and what was 2023–24 raw silk output?
2nd-largest producer; largest consumer; 38,913 MT (2023–24)
Up from 31,906 MT in 2017–18; silk exports ~Rs 2,027.56 crore in 2023–24
Tap to Reveal
What is CPCB’s new ‘Blue Category’, and what additional benefit do these industries receive?
Essential Environmental Services (EES) industries incl. WTE plants; 2-year extra CTO validity
Previously Red Category; based on precautionary principle; CPCB Chairman: Amandeep Garg
Tap to Reveal
What UN designation does 2025 carry for quantum science, and what did India’s PSA office release to mark it?
International Year of Quantum Science & Technology (IYQST); first edition of ITES-Q
World Quantum Day = April 14; 4th observance in 2025; QNu Labs launched QShield for quantum-safe cryptography
Think & Discuss
Directed Energy Weapons and the Future of Defence: Is India Ready for the DEW Era?
Context from today’s quiz: DRDO’s successful field test of the Mk-II(A) Laser Directed Energy Weapon in April 2025 made India the 4th country — after the USA, Russia, and China — to possess this capability. DEWs represent a paradigm shift in modern warfare: they fire at the speed of light, have near-zero cost-per-shot compared to conventional missiles, and can neutralise drones, missiles, and low-flying aircraft. Yet they also introduce new vulnerabilities and ethical dilemmas.
🤔 Your Perspective Matters
India’s DEW capability arrives at a moment when drone warfare has fundamentally changed the battlefield — as seen in Ukraine, Gaza, and the Red Sea. A 30 kW laser that can neutralise swarm drones at 3.5 km has obvious strategic appeal. But DEW programmes also require massive sustained R&D investment, raise questions about arms race dynamics in South Asia, and challenge existing international humanitarian law frameworks.
What does India’s entry into the DEW club mean for regional security, and how should India balance the offensive and defensive dimensions of this technology?
What does India’s entry into the DEW club mean for regional security, and how should India balance the offensive and defensive dimensions of this technology?
- DEWs are exceptionally effective against cheap drone swarms — a tactic increasingly used by non-state actors and asymmetric adversaries. How might India’s DEW capability change the calculus of conflict along its borders with Pakistan and China?
- Unlike nuclear weapons, DEWs are not governed by any dedicated international treaty. Should the international community develop norms or treaties to regulate DEW use — and what role should India play in shaping those norms given its new status?
- India’s DEW was developed indigenously by DRDO labs, aligning with the Aatmanirbhar Bharat mission. Does this signal a credible shift in India’s defence self-reliance, or is this a one-off achievement in a broader landscape where India still depends heavily on imported platforms?
We’d love to hear your thoughts! Share your perspective in the comments.
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