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Sci-Tech Current Affairs for UPSC

Every Sci-Tech story from the daily editions, newest first, each in short with why it matters for Prelims and Mains. Page 3 of 3.

  1. Sci-TechPrelimsGS3

    DRDO flies stratospheric High-Altitude Platform to 21 km

    The Defence Research and Development Organisation (DRDO) has flight-tested an indigenously developed High-Altitude Platform, the Ministry of Defence announced on 6 October 2026. The flight climbed to 21 km above mean sea level, held 20 km for more than 30 minutes, descended on command and was recovered. The Aerial Delivery Research and Development Establishment, Agra, is developing the lighter-than-air platform.

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  2. Sci-TechGS3

    TDB backs indigenous AI vision chip with ₹130 crore

    The Technology Development Board (TDB) of the Department of Science and Technology will give Bengaluru's BigEndian Semiconductors ₹130 crore from the Research Development and Innovation (RDI) Fund, the government announced on October 5, 2026. The sum, half of Project VeerAI's ₹260 crore cost, is Optional Convertible Debt to take a camera-focused AI chip from Technology Readiness Level 5 to 9.

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  3. Sci-TechGS3

    Indian team demonstrates 5.56-km free-space quantum key distribution link

    QNu Labs, BISAG-N and IIT Gandhinagar demonstrated a 5.56-km free-space quantum key distribution link on the night of September 27–28. The trial recorded a quantum bit error rate below 5% and secure key generation at 230–260 bits per second. The keys encrypted and decrypted test messages using BISAG-N’s Vedic Kavach platform.

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  4. Sci-TechGS2GS3

    IN-SPACe issues norms for hosted payloads on Indian and foreign satellites

    The Indian National Space Promotion and Authorisation Centre (IN-SPACe) on September 17, 2026 released norms for authorising hosted payloads, instruments carried on another owner's satellite. An Indian-owned payload needs IN-SPACe authorisation on an Indian or a foreign satellite. A foreign owner's payload on an Indian satellite needs none; the Indian host must give IN-SPACe its details.

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  5. Sci-TechPrelimsGS2

    CDSCO warns against unsupervised use of painkillers and antibiotics

    The Central Drugs Standard Control Organisation, in a September 21 circular, warned against indiscriminate, repeated or prolonged use of NSAID painkillers and antibiotics, linking misuse to kidney damage and chronic kidney disease. The regulator reminded doctors, pharmacists, hospitals and the public that these drugs need prescriptions. It urged doctors to follow antimicrobial stewardship; no new ban was announced.

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  6. Sci-TechGS3

    Railways launches first LNG-diesel dual-fuel DEMU train from Sabarmati

    Home Minister Amit Shah flagged off India's first LNG–diesel dual-fuel DEMU at Sabarmati, Gujarat, on September 27. The eight-coach train runs on two 1,400 HP driving power cars converted at the Sabarmati Integrated Coaching Depot. LNG can replace about 40% of the diesel; from trial data, Railways estimates fuel savings of about Rs 23.9 lakh a year for the rake.

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  7. Sci-TechPrelimsGS3

    ISRO and ESA renew space cooperation till 2032

    The Indian Space Research Organisation and the European Space Agency have renewed their cooperative agreement until 2032, their chiefs signing the extension at the International Space Summit in Paris on September 9-10. The renewed pact widens collaboration to space weather and human and robotic exploration. The agencies have worked together since 1978, with a framework agreement in 2002.

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