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GK One-Liners

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May 21, 2026

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How to use today’s GK page

A quick routine: skim One-Liners → test with the Mini-Quiz → deepen with Short Notes.

Daily revision (5–7 min) Exam-ready structure Mobile friendly

📌 One-Liners

  1. Scroll the categories (they may change daily).
  2. Read the bold title then the short sub-line for context.
  3. Watch for acronyms—today’s quiz/notes expand them.

🧠 Mini-Quiz

  1. Answer the 3 MCQs without peeking.
  2. Tap Submit to reveal answers and explanations.
  3. Note why an option is correct—this locks facts into memory.

📒 Short Notes

  1. Read the 3 compact explainers—each builds on a different topic.
  2. Use them for a quick recap or add to your personal notes.
  3. Great for mains/PI: definitions, timelines, and “why it matters”.
💡 Pro tip: Use the sticky Jump to menu at the top to hop between sections. If you’re short on time, do One-Liners now and the Mini-Quiz + Short Notes later.

📝 Short Notes • 21 May 2026

3 compact, exam-focused notes built from today’s GK365 one-liners. Use for last-minute revision.

CBI’s ABHAY Helpbot: India’s First Real-Time Notice Verification Platform

Digital Governance

What: ABHAY (AI-Based Helpbot for Authentication of Your Notice) is India’s first real-time, 24×7 AI-powered notice verification platform, launched by the Central Bureau of Investigation (CBI). It was launched under the Department of Personnel and Training (DoPT), which falls under the Ministry of Personnel, Public Grievances and Pensions (MoPP&P). The CBI was established in 1941 and renamed in 1963.

How: Citizens can use ABHAY to instantly verify whether a notice they have received is genuinely issued by the CBI. The helpbot cross-checks notice details in real time against official CBI records, helping distinguish authentic notices from fraudulent ones. This directly targets the growing menace of “digital arrest” scams where fraudsters impersonate CBI officials.

Why: ABHAY is significant for UPSC and state PCS exams under Science & Technology (AI in governance), Internal Security (cybercrime, digital fraud), and Governance sections. It showcases the government’s use of artificial intelligence to protect citizens and strengthen institutional credibility — a recurring theme in mains essays and GS-II.

BIS Ethanol Fuel Norms IS 19850:2026 — E30 Blends Approved

Digital Governance

What: The Bureau of Indian Standards (BIS), established in 1987 and headquartered in New Delhi, has notified a new standard — IS 19850:2026 — under the Ministry of Co-operation, Agriculture, Fisheries and Food Processing (MoCAF&PD). This standard approves ethanol-blended petrol at levels E22, E25, E27, and E30 (up to 30% ethanol by volume), going beyond India’s existing E20 target.

How: Ethanol blending works by mixing sugarcane-derived or grain-derived ethanol with petrol in specified proportions. The BIS standard sets quality and safety benchmarks for these higher blends. However, the notification does not mandate an immediate nationwide E30 rollout — it is a regulatory enabler, allowing fuel suppliers and automakers to prepare for higher blend compatibility.

Why: Ethanol blending is a key part of India’s energy security and green fuel policy, frequently asked in UPSC Prelims and Mains (GS-III: Environment, Energy). Students should link this to the National Biofuel Policy 2018, the Ethanol Blended Petrol (EBP) Programme, and India’s oil import reduction goals. BIS’s role as the national standards body is also testable.

DRDO ULPGM-V3: India Tests Dual-Mode Precision Guided Missile

Defence & Geopolitics

What: The Defence Research and Development Organisation (DRDO), established in 1958 and headquartered in New Delhi, successfully tested the ULPGM-V3 — Unmanned Aerial Vehicle Launched Precision Guided Missile (Version 3). The trials were conducted at a DRDO range near Kurnool, Andhra Pradesh, and the missile was developed by the Research Centre Imarat (RCI), Hyderabad, with the Unmanned Aerial Vehicle (UAV) platform supplied by NRT Pvt Ltd, Bengaluru.

How: ULPGM-V3 was tested in two operational modes: Air-to-Ground mode (designed for anti-tank roles, destroying armoured vehicles) and Air-to-Air mode (engaging aerial targets). Being UAV-launched, the system offers standoff precision strike capability, allowing attacks from a distance without risking a crewed aircraft. It integrates with India’s growing drone warfare ecosystem.

Why: This is significant for India’s atmanirbhar (self-reliant) defence manufacturing push, relevant in UPSC GS-III (Internal Security, Science & Technology) and defence-focused SSC/NDA exams. Key themes include indigenous missile development, drone warfare, and India’s broader shift toward unmanned combat systems under the DRDO and private sector collaboration framework.

🧠 Mini-Quiz: Test Your Recall

3 questions from today’s one-liners. No peeking!

1

What is the full form of ABHAY, the helpbot launched by the CBI to combat digital arrest scams?

Correct Answer: B — ABHAY stands for AI-Based Helpbot for Authentication of Your Notice. It is India’s first real-time, 24×7 AI-powered platform that allows citizens to verify whether a notice is genuinely issued by the CBI, directly targeting digital arrest fraud where scammers impersonate CBI officials.
2

The SMILE satellite, which studies solar wind–magnetosphere interaction, is a joint mission between which two space agencies?

Correct Answer: C — SMILE (Solar wind Magnetosphere Ionosphere Link Explorer) is a joint mission between ESA (European Space Agency) and CAS (Chinese Academy of Sciences). It was launched aboard a Vega-C rocket from Kourou Spaceport, French Guiana, into a 707-km circular orbit, and aims to provide the first panoramic imaging of Earth’s magnetosphere.
3

Under which Act did the Reserve Bank of India (RBI) cancel the licence of Yashwant Co-operative Bank, and what is the maximum deposit insurance amount per depositor under DICGC?

Correct Answer: C — The RBI cancelled Yashwant Co-operative Bank’s licence under the Banking Regulation Act, 1949, citing poor financial health, inadequate capital, and regulatory violations. The Deposit Insurance and Credit Guarantee Corporation (DICGC), established in 1978 as a wholly-owned RBI subsidiary, insures each depositor’s money up to a maximum of Rs 5 lakh. This limit was raised from Rs 1 lakh in 2020.
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📒 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.

India–Italy Special Strategic Partnership: 17 Agreements & FAO Agricola Medal

International

What: India and Italy signed 17 agreements elevating their relationship to a Special Strategic Partnership, covering sectors including technology, green energy, trade, and mobility. As part of this visit, Prime Minister Narendra Modi received the Food and Agriculture Organization (FAO) Agricola Medal in Rome — FAO’s highest honour, named after German botanist Georg Agricola, awarded for outstanding contributions to agriculture and food security. The FAO was established on 16 October 1945, with its headquarters in Rome and Director-General Qu Dongyu of China.

How: The visit was part of PM Modi’s five-nation tour covering the UAE, Sweden, Norway, the Netherlands, and Italy. A landmark MoU was signed between TATA Electronics and ASML (a Dutch semiconductor equipment giant) for a semiconductor fabrication unit at Dholera, Gujarat. This MoU strengthens India’s semiconductor manufacturing ambitions under the India Semiconductor Mission.

Why: India–Europe bilateral ties, India’s semiconductor push, and PM Modi’s international visits are high-frequency UPSC topics (GS-II: International Relations). The FAO Agricola Medal is noteworthy for awards-based questions in Prelims. Students should also link the Dholera ASML MoU to the India Semiconductor Mission and the broader Production Linked Incentive (PLI) scheme for electronics.

SMILE Satellite: ESA–CAS Mission to Map Earth’s Magnetosphere

Science & Research

What: SMILE — Solar wind Magnetosphere Ionosphere Link Explorer — is a joint scientific satellite mission between the European Space Agency (ESA) and the Chinese Academy of Sciences (CAS). It was launched aboard a Vega-C rocket from the Guiana Space Centre (Kourou Spaceport) in French Guiana into a 707-km circular orbit and is designed for a 3-year mission. SMILE aims to provide the first-ever panoramic imaging of Earth’s magnetosphere, the protective magnetic shield surrounding our planet.

How: SMILE studies the dynamic interaction between the solar wind (a continuous stream of charged particles from the Sun), the magnetosphere (Earth’s magnetic field region), and the ionosphere (the upper atmospheric layer). By imaging the magnetosphere simultaneously from multiple angles, it will help scientists understand how solar storms affect Earth’s space environment, contributing to improved space weather forecasting.

Why: This mission is relevant to UPSC Science & Technology and Geography sections — topics such as solar wind, magnetosphere, ionosphere, and space weather are testable. ESA–China collaboration also reflects shifting geopolitics of space exploration, relevant for GS-II. Students should note the Vega-C launch vehicle and the Kourou Spaceport (operated by ESA/France in South America) as frequently asked geography/science facts.

RBI Cancels Yashwant Co-operative Bank Licence: Banking Regulation & DICGC

Economy

What: The Reserve Bank of India (RBI) cancelled the banking licence of Maharashtra-based Yashwant Co-operative Bank under the provisions of the Banking Regulation Act, 1949. The reasons cited include poor financial health, inadequate capital, and regulatory violations. Depositors of the bank are protected up to Rs 5 lakh per individual under the Deposit Insurance and Credit Guarantee Corporation (DICGC), established in 1978 as a wholly-owned subsidiary of the RBI.

How: Under the Banking Regulation Act, 1949, the RBI has the authority to cancel a banking licence if a bank fails to maintain minimum capital requirements, violates compliance norms, or poses a risk to depositor interests. Upon cancellation, the bank must cease all banking operations. DICGC then steps in to settle insured deposit claims up to the prescribed limit, ensuring a basic safety net for small depositors.

Why: This is a high-yield topic for UPSC, SEBI Grade A, RBI Grade B, and banking exams. Key concepts to remember: the Banking Regulation Act 1949 governs banking companies (including co-operative banks after 2020 amendments), the DICGC deposit insurance limit of Rs 5 lakh (revised upward in 2020 from Rs 1 lakh), and the RBI’s role as the regulator of all scheduled banks in India. Co-operative bank regulation is a recurring Prelims and Mains topic.

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Prashant Chadha

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