Markets advanced for a second day as the BSE Sensex gained 128 points to 27,915, mainly led by pharmaceutical stocks after three Indian firms received nod to sell their generic versions of blockbuster Crestor drug in the American market.

Shares of Sun Pharma, Glenmark and Aurobindo were the star performers, rising by 1.89 per cent, 2.39 per cent and 5.09 per cent, respectively.

IPR Pharmaceuticals Inc's Crestor had posted annual sales of around $6.78 billion in the 12 months ended May 2016.