The stock opened at Rs 296 and then dived 3.43 per cent to touch an early low of Rs 295.25 on BSE.
A similar movement was seen on NSE, where it opened at Rs 297 and slipped 3.49 per cent.
On Tuesday, the state-owned company posted a massive 77 per cent fall in its consolidated net profit at Rs 600 crore for the July-September quarter, hit by drop in sales and higher expenses.
The benchmark Sensex was trading at 26,677.38, down 0.08 per cent, from its previous close.