Bank Nifty index fell 0.5% on October 19 as private banks like Axis Bank, HDFC Bank led the losses in the sectoral index. Private sector banks dropped 1.7%, with HDFC Bank and Axis Bank losing 2% and 4.1%, respectively, after missing profit views for the July-September quarter. Weaker treasury income and higher provisions for bad loans weighed on HDFC Bank, while Axis Bank reported higher operating expenses and weaker other income.