Indian benchmark indices remained under pressure for the second consecutive session on Wednesday, October 21, as selling across most sectors weighed on sentiment amid elevated crude oil prices and concerns over corporate earnings. The markets opened higher and traded in positive territory for the first couple of hours before profit booking in late-morning trade erased the gains. The selling pressure dragged the Nifty below 22,650, with auto, metal and consumer durables indices emerging among the worst-performing sectors, each declining around 2 percent.