Seven of the top-10 most valued Indian companies together added Rs 54,174.2 crore in market valuation last week, with Reliance Industries (RIL) stealing the show with maximum gain. Barring Tata Consultancy Services (TCS), SBI and HUL , rest seven companies, including HDFC Bank and ITC saw addition in their market capitalisation (m-cap) for the week ended Friday. RIL's valuation jumped Rs 25,205.6 crore to Rs 6,01,324.56 crore. The m-cap of Infosys surged Rs 8,958.28 crore to Rs 2,31,984.84 crore and that of HDFC Bank soared Rs 6,193.59 crore to Rs 4,78,691.34 crore. Maruti Suzuki India's market cap advanced by Rs 4,440.57 crore to Rs 2,56,396.49 crore and that of ONGC went up by Rs 4,363.3 crore to Rs 2,32,153.22 crore. The m-cap of ITC rose by Rs 3,411.94 crore to Rs 3,17,249.81 crore and that of HDFC gained Rs 1,600.92 crore to Rs 2,73,062.24 crore. On the other hand, the valuation of State Bank of India (SBI)...