For 15 years, CSAT has been the most contested paper of the UPSC exam. Supporters call it a necessary filter, while critics say it keeps out humanities, Hindi-medium and rural candidates.
UPSC Prelims Answer Key 2026 Drishti IAS: The Union Public Service Commission (UPSC) conducts the UPSC Prelims exam once in a year to recruit candidates for the All India Services and Group A services ...