The stock tumbled 7.80 per cent to end at Rs 393.55 on BSE. During the day, it had tanked 8.26 per cent to Rs 391.55.
On NSE, it dropped 7.84 per cent to settle at Rs 393.05.
Following sharp decline in the stock, the company's market valuation fell by Rs 3,233.82 crore to Rs 38,222.18 crore.
In terms of volume, 8.28 lakh shares of the company were traded on BSE and over 92 lakh shares changed hands at NSE during the day.
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It had posted a net profit of Rs 5,609.43 crore for the same quarter of last fiscal 2015-16.
Total consolidated income of the steel giant rose marginally to Rs 27,471.15 crore in July-September quarter of the current fiscal, from Rs 27,456.30 crore a year ago.
However, the firm's total expenses were lower at Rs 25,968.85 crore, as against Rs 26,988.65 crore.