After nosediving 704 points, the 30-share Sensex ended 642.22 points, or 1.73 per cent, lower at 36,481.09.
The 30-share index was trading 459.89 points, or 1.24 per cent, lower at 36,661.81 at 1330 hours.
The company has not given a specific timeline for the resumption of full output.
The dollar index, which gauges the greenback's strength against a basket of six currencies, rose by 0.01 per cent to 98.61.
In the previous session, the BSE barometer settled 262 points, or 0.70 per cent, lower at 37,123.31.
However, fuel and power basket continued to witness deflation at 4 per cent in August as against 3.64 per cent in July.
In the bullion market, gold prices for 24 Karat rose to Rs 38,860 per 10 gram from Saturday's closing price of Rs 38,400.
Analysts said raising of bets by participants mainly kept crude prices to trade higher.
After touching a low of 37,111.29, the 30-share index was trading 210.02 points, or 0.56 per cent, lower at 37,174.97.
Weak opening in domestic equities and sustained foreign fund outflows also weighed on the domestic currency.