During the afternoon trade, the market capitalisation (m-cap) of HDFC Bank stood at Rs 4,73,530.72 crore, which was Rs 797.4 crore more than TCS' Rs 4,72,733.32 crore valuation.
Shares of HDFC Bank gained 0.93 per cent to Rs 1,840 -- its 52-week high -- on BSE.
The scrip of TCS rose by 0.36 per cent to Rs 2,472.65.
Shares of HDFC Bank have surged nearly 53 per cent so far this year, while that of TCS rose by nearly 5 per cent.
Disclaimer: No Business Standard Journalist was involved in creation of this content