The country's top 10 firms saw their total market capitalisation falling by Rs 5,168 crore last week, with Oil and Natural Gas Corporation (ONGC) losing the most among the pack.

The total market valuation of the elite club, comprising four private sector and six state-run companies, stood at Rs 16,83,045 crore in the week ended June 12 against Rs 16,88,213 crore in the previous week.

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Among the 10 most valued firms of BSE, five firms, ONGC, Minerals and Metals Trading Corporation, National Mining Development Corporation, State Bank of India (SBI) and Bharat Heavy Electricals (BHEL), witnessed a drop in their respective market caps last week.

Meanwhile, other five firms, Reliance Industries, National Thermal Power Corporation, Bharti Airtel, Infosys Technologies and Larsen & Toubro, saw their valuations rising last week.

The country's most-valued firm, RIL, added Rs 22,812 crore to its market valuation of Rs 3,70,913 crore last week. The company had market valuation of Rs 3,48,101 crore in the previous week.

NTPC added Rs 1,113 crore to its market cap. On the other hand, ONGC lost Rs 11,518 from its market cap, which stood at Rs 2,41,008 crore this week.

NMDC slipped to the sixth position after losing Rs 12,528 crore from its amrket cap, while private telecom services provider Bharti Airtel jumped a place to fifth slot by adding Rs 1,073 crore to its valuation.

Power equipment supplier BHEL stood seventh as it lost Rs 3,500 crore from its market cap, while SBI slipped to the eighth slot losing Rs 11,485 crore from its market valuation.

While, IT bellwether Infosys Technologies added Rs 2,142 crore to its market valuation, L&T added Rs 3,702 crore to its market cap last week.

In the club, RIL is followed by ONGC (Rs 2,41,008 crore), NTPC (Rs 1,82,266 crore), MMTC (Rs 1,69,699 crore), Bharti Airtel (Rs 1,57,646 crore), NMDC (Rs 1,57,359 crore), Bhel (Rs 1,08,473 crore), SBI (Rs 1,03,930 crore), Infosys (Rs 98,980 crore) and L&T ( Rs 92,771 crore).

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