Indian stock markets ended lower on 15 September 2025, with the Sensex slipping 119 points to 81,785 and the Nifty 50 falling below 25,100. Auto and IT stocks dragged the market, with Mahindra & Mahindra and Infosys among top losers. Investors stayed cautious ahead of the US Fed’s policy decision, despite optimism on India-US trade talks.