The stock fell by 2.08 per cent to settle at Rs 2,920.30 on BSE. During the day, it dipped 3 per cent to Rs 2,890.05.
At NSE, shares of the company lost 1.95 per cent to Rs 2,924.60.
The company's market valuation fell by Rs 902.94 crore to Rs 42,440.06 crore.
As per the Sick Industrial Companies (Special Provisions) Act, 1985 (SICA), if the accumulated losses of a company, at the end of any financial year have resulted in erosion of 50 per cent or more of its peak net worth during the preceding four financial years, such firm is required to report to the Board for Industrial and Financial Reconstruction (BIFR).
"Accordingly, this extraordinary general meeting (EGM) is being convened to consider and approve the enclosed report of the Board of Directors on such erosion and its causes, and the measures being taken as per the relevant provisions of SICA, and also to approve the reporting of such erosion to BIFR in terms of Section 23 of SICA," it added.