skip to contentPremiumHow is knowing about the Russia sanctions bill relevant to the UPSC exam? What significance do topics such as challenges of AI, monsoon retreat, and Ladakh’s autonomy debate hold for both the preliminary and main examinations? You can learn more by reading the Indian Express UPSC Key for September 20, 2026.President Donald Trump holds documents in the Oval Office of the White House. Know more in our UPSC Key. ( Photo: AP)26 min readNew DelhiSep 20, 2026 05:08 PM IST First published on: Sep 20, 2026 at 05:08 PM ISTImportant topics and their relevance in UPSC CSE exam for September 20, 2026. If you missed the September 19, 2026 UPSC CSE exam key from the Indian Express, read it here.FRONTTrump signs Russia sanction bill giving him power to levy 100% tariffs on IndiaSyllabus:© IE Online Media Services Pvt LtdRoshni Yadav is a Deputy Copy Editor with The Indian Express. At The Indian Express, she writes for ... Read More ShareWhatsapptwitterFacebook