At the end of trade today, RIL commanded a market valuation of Rs 4,60,518.80 crore. This was Rs 1,586.43 crore more than TCS' Rs 4,58,932.37 crore m-cap.
Shares of both the companies ended on a positive note but gains were sharper in case of RIL.
The RIL scrip ended the day with a gain of 1.19 per cent at Rs 1,416.40 on BSE. TCS also rose by 0.77 per cent to close at Rs 2,329.10.
Temporary ups and downs in the valuation chart of the two firms were seen last week as well. RIL had briefly surged past TCS twice to become the most valued company. However, at close of the session on Tuesday and Friday the IT major had reclaimed the top position.
The RIL stock has surged over 31 per cent so far this year, while that of TCS had slipped more than 1 per cent.