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UPSC CSE 2026 Mains GS-I Ques

UPSC CSE 2026 Mains GS-I Ques.  General Studies - I INSTRUCTIONS   There are TWENTY questions printed both in HINDI and in ENGLISH.  All questions ar…

Ethanol Blending in India

Ethanol (C₂H₅OH) is a clean-burning, renewable biofuel produced by fermenting agricultural feedstocks like sugarcane, maize, and surplus grains. Blen…