Except for two, the 10 most valued Indian firms together added Rs 54,151.62 crore in market valuation in the last week ended 26 April. IT giant TCS saw the biggest gain among them.

However, in the top 10 list, HDFC Bank and HDFC suffered losses in their market capitalisation (m-cap) for the week.

On the other hand, the m-cap of TCS (Tata Consultancy Services) jumped by Rs 34,822.13 crore to reach over Rs 8.39 lakh crore.

Infosys' valuation climbed by Rs 9,043.69 crore to Rs 3,22,033.94 crore.

The m-cap of RIL (Reliance Industries Limited) rose Rs 5,419.63 crore to Rs 8,82,005.44 crore and that of ICICI Bank rose by Rs 1,627.51 crore to Rs 2,62,645.88 crore.

HUL (Hindustan Unilever Limited) added Rs 1,363.76 crore in valuation to stand at Rs 3,77,470.33 crore and SBI (State Bank of India) rose by Rs 1,249.45 crore to Rs 2,78,715.62 crore.

ITC's market cap went up by Rs 367.76 crore to Rs 3,73,459.21 crore and that of Kotak Mahindra Bank advanced Rs 257.69 crore to hit Rs 2,63,047.09 crore.

Meanwhile, HDFC's valuation plummeted Rs 5,052.42 crore to Rs 3,39,906.42 crore and that of HDFC Bank dropped by Rs 3,662.39 crore to Rs 6,20,015.67 crore.

In terms of valuation, the list of top 10 firms Indian companies is topped by RIL followed by TCS, HDFC Bank, HUL, ITC, HDFC, Infosys, SBI, Kotak Mahindra Bank and ICICI Bank.

During the same week, BSE's Sensex dropped 72 points, or 0.18 percent to close at 39,067.33 on Friday.

Stock and commodity exchanges, currency as well as bond markets are closed on Monday on account of the fourth phase of Lok Sabha election voting in the financial capital, Mumbai.