Indian markets closed lower on January 23, 2026, led by a sharp fall in Adani Group, Eternal, and IndiGo shares. BSE Sensex fell 769.67 points to 81,537.7, while NSE Nifty50 declined 241.25 points to 25,048.65. Broader indices also slipped, with Nifty Midcap 100 down 1.8% and Nifty Smallcap 100 down 1.95%.