Billionaire Mukesh Ambani-controlled Reliance Industries Ltd (RIL) on Tuesday pipped the information technology (IT) giant Tata Consultancy Services (TCS) to become the country’s most valued firm by market capitalisation. As per Tuesday’s close, Reliance Industries’ market capitalisation was recorded at Rs 7,37,576.57 crore on the Bombay Stock Exchange (BSE), up Rs 1,471.26 crore from that of Tata Consultancy’s market capitalisation of 7,36,105.31 crore on Tuesday, data available with the stock exchanged showed.