How to use today’s GK page
A quick routine: skim One-Liners → test with the Mini-Quiz → deepen with Short Notes.
📌 One-Liners
- Scroll the categories (they may change daily).
- Read the bold title then the short sub-line for context.
- Watch for acronyms—today’s quiz/notes expand them.
🧠 Mini-Quiz
- Answer the 3 MCQs without peeking.
- Tap Submit to reveal answers and explanations.
- Note why an option is correct—this locks facts into memory.
📒 Short Notes
- Read the 3 compact explainers—each builds on a different topic.
- Use them for a quick recap or add to your personal notes.
- Great for mains/PI: definitions, timelines, and “why it matters”.
📝 Short Notes • 28 May 2025
3 compact, exam-focused notes built from today’s GK365 one-liners. Use for last-minute revision.
Bharat Forecast System: World’s First 6 km Resolution Weather Prediction Model
Science & ResearchWhat: India’s Bharat Forecast System (BFS) is the world’s first Numerical Weather Prediction (NWP) model to operate at 6 kilometre spatial resolution — far surpassing the 12 km resolution of most global models. Developed by the Indian Institute of Tropical Meteorology (IITM), Pune, and operationalised by the India Meteorological Department (IMD), it runs on Arka — India’s dedicated meteorological supercomputer with a processing capacity of 11.77 petaflops (one petaflop = one quadrillion floating-point operations per second), housed at IITM. The 6 km resolution means BFS can distinguish weather patterns at the scale of individual districts and valley systems — a transformational upgrade for hyperlocal forecasting in a country where microclimates vary dramatically over short distances.
How: NWP models divide the atmosphere into a three-dimensional grid and solve complex fluid dynamics equations (the Navier-Stokes equations, simplified for atmospheric flow) to simulate how temperature, pressure, humidity, and wind will evolve over time. Resolution refers to the size of each grid cell: a 6 km resolution means each computational cell represents a 6 × 6 km square, capturing terrain features, coastlines, and urban heat islands that a 12 km model would average away. This is especially critical for India, where the Himalayan orography, peninsular coasts, monsoon convergence zones, and urban–rural temperature contrasts all operate at sub-10 km scales. BFS directly feeds IMD’s district-level warnings — particularly for flash floods, cloudbursts, and cyclone landfall predictions.
Why: IITM, IMD, India’s supercomputing capacity, and weather forecasting technology are tested in UPSC Prelims GS-III (Science & Technology). Key facts: system — Bharat Forecast System (BFS); distinction — world’s first 6 km resolution NWP model; developed by — IITM (Indian Institute of Tropical Meteorology), Pune; operationalised by — IMD (India Meteorological Department); supercomputer — Arka (11.77 petaflops), at IITM. The 6 km resolution advantage for India’s disaster management (early warning for floods, cyclones, cold waves) connects this to GS-III Disaster Management. IITM and IMD are both under the Ministry of Earth Sciences (MoES) — an important institutional link for MCQs.
Surya VHF Radar: ADTL Delivers India’s Stealth-Detection Radar to Indian Air Force
Defence & GeopoliticsWhat: Advanced Defence Technologies Limited (ADTL), an Indian defence electronics company, delivered the Surya Very High Frequency (VHF) Radar to the Indian Air Force (IAF) under a ₹200 crore contract. The Surya radar operates in the VHF band (30–300 MHz) and offers a detection range of 360 kilometres with an altitude coverage of up to 15 kilometres. Its most strategically significant capability is stealth aircraft detection — conventional radar systems operating in higher frequency bands (X-band, S-band) can be defeated by stealth aircraft designs that use angular geometry and radar-absorbent materials to scatter or absorb radar signals; VHF-band radars, with their longer wavelengths, are less susceptible to these stealth countermeasures and can detect low-observable aircraft at long range.
How: Stealth aircraft — such as the US F-22, F-35, and China’s J-20 and J-35 — are designed to have a Radar Cross Section (RCS) of less than 0.001 square metres against high-frequency radar. VHF-band wavelengths (1–10 metres) are of similar order to the physical dimensions of aircraft fuselages, causing resonance scattering effects (Rayleigh scattering regime) that significantly increase the effective RCS even of stealth platforms. This is known as the “stealth-killing” property of VHF radar — a principle exploited by Russia’s Nebo-SVU radar and now indigenised by India through the Surya system. The 360 km detection range at VHF frequency makes it suitable for strategic early-warning deployment along India’s northern and northwestern borders.
Why: Indigenous radar development, stealth detection, and IAF air defence modernisation are tested in UPSC Prelims GS-III (Defence, Science). Key facts: radar — Surya VHF Radar; developer/supplier — ADTL (Advanced Defence Technologies Limited); customer — Indian Air Force (IAF); contract value — ₹200 crore; frequency band — VHF (Very High Frequency), 30–300 MHz; range — 360 km; altitude coverage — 15 km; key capability — stealth aircraft detection. India’s border security context — Chinese J-20 stealth fighters deployed in Tibet and PLAAF modernisation — makes VHF radar delivery a directly relevant strategic asset. The indigenisation of a previously import-dependent capability aligns with Atmanirbhar Bharat in defence electronics.
UGC Approves 5 Foreign University Campuses in India — NEP 2020’s Global Education Push
Digital GovernanceWhat: The University Grants Commission (UGC) approved five foreign universities to establish campuses in India under the UGC (Setting up and Operation of Campuses of Foreign Higher Educational Institutions in India) Regulations, 2023. The five approved institutions and their proposed locations are: Illinois Institute of Technology (IIT Chicago) — Mumbai; University of Liverpool — Bengaluru; Victoria University (Australia) — location to be confirmed; Westcliff University (WSU) — Noida; and Istituto Europeo di Design (IED, Italy) — focused on design education. These approvals follow earlier landmark entries: Deakin University and University of Wollongong (both Australia) at GIFT City, Gujarat, which became the first foreign universities to open campuses in India in 2023.
How: The UGC Regulations 2023 allow foreign higher educational institutions (FHEIs) ranked among the top 500 in global rankings (QS World University Rankings or Times Higher Education World University Rankings) to apply for setting up campuses in India. Approved campuses can offer full-degree programmes, set their own fee structures (with restrictions on repatriation of profits), and must maintain academic standards equivalent to their home campus. The policy is a direct outcome of the National Education Policy (NEP) 2020’s vision of internationalising Indian higher education — attracting global institutions to India rather than requiring students to travel abroad for world-class degrees, potentially reducing India’s annual education-related foreign exchange outflow of over USD 4–5 billion.
Why: Foreign university campus policy, UGC regulations, and NEP 2020 implementation are tested in UPSC Prelims GS-II (Education, Governance). Key facts: regulator — UGC; framework — UGC (FHEIs in India) Regulations 2023; 5 newly approved — IIT Chicago (Mumbai), University of Liverpool (Bengaluru), Victoria University (Australia), WSU (Noida), IED Italy; first foreign campuses in India — Deakin University + University of Wollongong, GIFT City, Gujarat (2023); eligibility — top 500 in QS or THE rankings; policy basis — NEP 2020. The fiscal dimension — reducing USD 4–5 billion education outflow under LRS — links this to GS-III (Economy, Balance of Payments), making it a multi-paper exam topic.
🧠 Mini-Quiz: Test Your Recall
3 questions from today’s one-liners. No peeking!
The Bharat Forecast System (BFS) runs on India’s dedicated meteorological supercomputer ‘Arka’. What is Arka’s processing capacity?
Kozhikode became Kerala’s first district with official biodiversity symbols. Which animal was designated as its District Animal?
At the 78th Cannes Film Festival 2025, which Iranian director won the Palme d’Or for ‘It Was Just an Accident’?
📒 Short Notes: Build Concept Depth (3 Topics)
Each note gives you a quick What–How–Why on a high-yield news item from today’s GK365 one-liners.
Kozhikode — Kerala’s First District to Adopt Official Biodiversity Symbols Across 8 Categories
EnvironmentWhat: Kozhikode district in Kerala became the first district in the state to officially designate biodiversity symbols across 8 categories, under an initiative led by the Kerala State Biodiversity Board (KSBB). The designated symbols include: District Animal — Indian Pangolin (Manis crassicaudata, IUCN: Endangered); District Bird — Oriental Dwarf Kingfisher (Ceyx erithaca, one of the world’s smallest kingfishers). The Indian Pangolin is one of the world’s most trafficked mammals, primarily poached for its scales (used in traditional Chinese medicine) and meat, making its designation as Kozhikode’s district animal a powerful conservation advocacy statement. This framework mirrors the existing national system of state animals, birds, flowers, and trees but operates at the district level to localise biodiversity conservation identity.
How: The Kerala State Biodiversity Board (KSBB) operates under the Biological Diversity Act, 2002 — India’s primary legislation implementing the Convention on Biological Diversity (CBD) — and coordinates Biodiversity Management Committees (BMCs) at the local body level. The district biodiversity symbol framework is designed to: build community pride and ownership over local species, direct conservation resources toward the most threatened local wildlife, and integrate biodiversity awareness into school curricula and local governance. Kozhikode’s choice of the Indian Pangolin — a Schedule I species under the Wildlife Protection Act, 1972 — signals the district’s intent to actively combat pangolin poaching, which is a significant problem in Kerala’s forest-edge communities.
Why: KSBB, Biological Diversity Act 2002, pangolin conservation, and district-level biodiversity governance are tested in UPSC Prelims GS-III (Environment). Key facts: first Kerala district with biodiversity symbols — Kozhikode; implementing body — KSBB (Kerala State Biodiversity Board); categories — 8; District Animal — Indian Pangolin (Manis crassicaudata, IUCN Endangered, Schedule I WPA 1972); District Bird — Oriental Dwarf Kingfisher; legal framework — Biological Diversity Act 2002. The Indian Pangolin’s status as the world’s most trafficked mammal, and India’s obligations under CITES (Convention on International Trade in Endangered Species) for pangolin protection, are strong connecting exam threads to international wildlife law.
AM Green–Port of Rotterdam: USD 1 Billion Deal for Green Ammonia and Sustainable Aviation Fuel
EconomyWhat: AM Green — an Andhra Pradesh-based green energy company — signed a USD 1 billion Memorandum of Understanding (MoU) with the Port of Rotterdam (Netherlands) for the annual supply of 1 million tonnes of green ammonia and Sustainable Aviation Fuel (SAF) from its facility at Kakinada, Andhra Pradesh. Rotterdam is Europe’s largest seaport and its primary green hydrogen and green ammonia import hub, making this one of India’s largest green energy export deals to date. Green ammonia — produced by combining green hydrogen (made via electrolysis using renewable power) with nitrogen — is both a clean fuel for shipping and a hydrogen carrier for energy storage and long-distance transport. SAF is low-carbon jet fuel made from biomass, waste, or green hydrogen pathways.
How: India’s National Green Hydrogen Mission (NGHM), approved in January 2023 with a ₹19,744 crore outlay, explicitly targets India becoming a major global green hydrogen and green ammonia exporter by 2030 — producing 5 million metric tonnes (MMT) per year and capturing a significant share of the emerging European import market. The AM Green–Rotterdam deal is a direct commercial realisation of this strategic vision. Kakinada in Andhra Pradesh, with its deep-water port infrastructure and proximity to renewable energy zones in the state, is positioned as a key green ammonia export hub. Rotterdam’s Maasvlakte port area is being upgraded with dedicated green ammonia import terminals under the EU’s REPowerEU strategy to reduce dependence on Russian fossil fuels.
Why: Green hydrogen exports, NGHM, SAF, and India–EU energy partnerships are tested in UPSC Prelims GS-III (Energy, Economy, Environment). Key facts: deal — AM Green (Kakinada, AP) + Port of Rotterdam (Netherlands); value — USD 1 billion; supply — 1 million tonnes green ammonia + SAF annually; facility — Kakinada, Andhra Pradesh; Rotterdam — Europe’s largest seaport and green energy import hub; policy link — National Green Hydrogen Mission (NGHM), January 2023, ₹19,744 crore, 5 MMT target by 2030. The dual-product nature (green ammonia for shipping + SAF for aviation) makes this deal a multi-sector decarbonisation enabler — a strong Mains GS-III analytical thread connecting India’s energy transition diplomacy with global shipping and aviation decarbonisation commitments.
78th Cannes Film Festival 2025 — Jafar Panahi Wins Palme d’Or; India in Un Certain Regard
Awards & HonoursWhat: The 78th Cannes Film Festival (Festival de Cannes) 2025 awarded the Palme d’Or — the festival’s highest honour — to Iranian director Jafar Panahi for his film ‘It Was Just an Accident’. India’s film ‘Homebound’ was selected for the prestigious Un Certain Regard section — Cannes’s parallel competition that platforms distinctive and artistically bold cinema from emerging and established world directors. Cannes, held annually in Cannes, France (on the French Riviera), is the world’s most prestigious film festival, with its golden palm trophy (Palme d’Or) considered the most coveted award in world cinema. The festival’s main competition, Un Certain Regard, Directors’ Fortnight, and Critics’ Week are its major sections.
How: Jafar Panahi is one of Iran’s most internationally celebrated directors, known for films including ‘The Circle’, ‘Offside’, and ‘Taxi’ (which won the Berlin Golden Bear in 2015) — and for his remarkable resilience in continuing to make films despite repeated bans, imprisonment, and restrictions by Iranian authorities. His Palme d’Or win is both a cinematic achievement and a statement about artistic freedom. India has had a distinguished history at Cannes: Satyajit Ray’s films regularly screened in competition; Mira Nair’s ‘Salaam Bombay’ (1988) won the Camera d’Or; and more recently ‘All We Imagine as Light’ (Payal Kapadia) won the Grand Prix at the 77th Cannes (2024) — India’s biggest Cannes triumph in decades.
Why: Cannes Film Festival awards, India’s participation in international film festivals, and cultural diplomacy are tested in SSC, Banking, and UPSC Prelims GS-I (Art & Culture). Key facts: 78th Cannes Film Festival — 2025; Palme d’Or — Jafar Panahi (Iran), ‘It Was Just an Accident’; India — ‘Homebound’ in Un Certain Regard section; festival — Cannes, France (French Riviera). Historical context: India’s Grand Prix at 77th Cannes 2024 — ‘All We Imagine as Light’ (Payal Kapadia). The Palme d’Or sequence is a frequent MCQ: distinguishing the Palme d’Or (Cannes) from the Golden Lion (Venice), Golden Bear (Berlin), and Grand Jury Prize — all major international film festival awards.
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