The IT giant had attained a market capitalisation of over Rs 5 lakh crore in July 2014, becoming the only company in Indian markets to reach this milestone.
At the close of trade today, TCS's market capitalisation (m-cap) stood at Rs 5,05,818.70 crore. In dollar terms, its m-cap rose to USD 76 billion.
Whereas, the combined market valuation of as many as eight listed Tata group companies other than TCS stands at Rs 2,27,869.13 crore.
Shares of the IT bellwether rose by 1.96 per cent to settle at Rs 2,567.05 on BSE. During the day, it gained 2 per cent to Rs 2,570.
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The IT major is followed by RIL (Rs 3,21,227.56 crore), HDFC Bank (Rs 2,90,836.62 crore), Infosys (Rs 2,77,976.24 crore) and ITC (Rs 2,56,705.90 crore).
The m-cap of other big IT players such as Wipro stood at Rs 1,33,937.37 crore while that of HCL Technologies was at Rs 1,00,989.05 crore.
TCS last month reported a higher-than-expected 72.7 per cent growth in the March quarter net profit at Rs 6,413 crore and guided towards a stronger 2016-17 fiscal.
Since the company's result announcement, the stock has gained nearly 2 per cent.