Tata, which operates nearly two-thirds of its 28-million-tonne capacity in Europe, reported a worse-than-expected net loss of 7.6 billion rupees for the three months to December 31. Net sales fell 3 percent to 318.21 billion rupees.
Analysts on average had expected the company to report a net loss of 745 million rupees for the December quarter, according to Thomson Reuters StarMine Smart Estimate data.
The net loss for the quarter compared with a loss of 6 billion rupees a year earlier.
Shares in Tata Steel, valued at $6.9 billion, closed down 2.3 percent ahead of the results announcement.