Shares of RIl were trading 3.43 per cent higher at Rs 1,416.40 on BSE at 1236 hrs, giving the company a market capitalisation (m-cap) of Rs 4,60,291.20 crore -- the highest for any listed firm in the country. This was Rs 3,151.92 crore more than TCS' Rs 4,57,139.28 crore valuation at the time.