It had registered a loss of Rs 153.98 crore in the October-December quarter of the previous fiscal, STC said in a filing to the BSE.
STC sells textiles, commodities, chemicals and drugs.
The company's total income from operations increased to Rs 4,776.92 crore in the third quarter of 2014-15, compared to Rs 2,168.31 crore in the same period last year.
Shares of STC closed at Rs 172, up 1.36 per cent, on the BSE.