Tata Consultancy Services (TCS) on Monday surpassed Reliance Industries (RIL) to become the most valued firm by market valuation. At the close of trade, the market capitalisation of TCS was at ₹8,37,194.55 crore, which was ₹1,170.47 crore more than that of RIL's ₹8,36,024.08 crore m-cap. RIL had last month reclaimed the status of India's most-valued firm by overtaking TCS.