Shares in Glenmark Pharma fall 2.6 percent. Credit Suisse downgrades the stock to "underperform" from "neutral" saying the stock is already pricing best case scenario.

Vendanta and National Aluminium Co rise nearly 2 percent, Tata Steel and Hindalco gain more than 1 percent - top gainers in the BSE metals index which is up 0.8 percent