The stock rallied 10% to Rs 411 on National Stock Exchange.
The stock hit a record high of Rs 944 in intra-day trade on BSE, rallied 25% in past 10 trading sessions from Rs 756.
Till 0932 hours, about 2.38 million shares changed hands and there are pending buy orders for 4.74 million shares on BSE.
The stock down nearly 2% to Rs 2,495 on BSE in early morning trade.
Positive December trade deficit data is expected to add to the momentum generated by the surprise rate cut by RBI