Drug major Ranbaxy Laboratories today posted a consolidated profit after tax (PAT) of Rs 304.38 crore for the first quarter ended March 31, 2011.

The company had a profit after tax of Rs 960.58 crore in the same period previous fiscal, Ranbaxy Laboratories said in a filing to the Bombay Stock Exchange(BSE).

The company's net sales rose to Rs 2,143.02 crore for the first quarter, compared to Rs 2,481.21 crore in the same period last fiscal.

Shares of Ranbaxy today closed at Rs 449.10 on the BSE, up 1.66 per cent from its previous close.