The company's net loss in the corresponding quarter of the last fiscal was Rs 454.41 crore, it said in a filing to BSE.
Net sales of the company declined to Rs 699.37 crore in the third quarter of 2014-15, from Rs 1,018.03 crore in the corresponding quarter of previous fiscal.
Total expenses declined to Rs 765.15 crore in the quarter, from Rs 1,201.47 crore in the year-ago period.
Shares of the company closed at Rs 19.45 apiece on BSE, down 2.51 per cent from previous close.