After a positive opening, the stock jumped 6.24 per cent to a multi-year high of Rs 1,256.50 on BSE.
On NSE, it soared 6.26 per cent to Rs 1,256.80.
Powered by the stock momentum, the company's market valuation jumped to Rs 4,01,914.38 crore.
Last Wednesday, the stock had zoomed 11 per cent after its telecom arm Jio said it will start charging for data services from April.
Mukesh Ambani's telecom unit Reliance Jio will begin charging for data from April, but will give steep discounts for a year to over 100 million customers who have come on board within six months of its launch.