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3 February 2026

Source-linked daily analysis with Prelims MCQs and Mains practice. Each story distinguishes its source date from this study edition.

ImportantScience & Technology

DRDO demonstrates solid-fuel ducted ramjet

GS III

In the news

DRDO demonstrated SFDR technology at Chandipur, Odisha.

Key facts

  • The test evaluated the booster, ramjet motor and fuel-flow controller; the technology supports long-range air-to-air missile development.

Why it matters for UPSC

Editorial relevance: Propulsion capability is a building block of indigenous defence technology, distinct from operational missile induction.

Mains practice

Why are indigenous propulsion technologies strategically important?