New Delhi, May 31 -- The combined market valuation of seven of the top 10 valued firms eroded by Rs.1.54 lakh crore last week, with Reliance Industries taking the biggest hit.

In a holiday-shortened last week, the BSE benchmark Sensex dropped 639.61 points, or 0.84 per cent, and the NSE Nifty declined 171.55 points, or 0.72 per cent.

From the top 10 pack, Reliance Industries, HDFC Bank, Bharti Airtel, ICICI Bank, Tata Consultancy Services (TCS), Bajaj Finance and Hindustan Unilever faced erosion in their valuations, while State Bank of India, Larsen & Toubro and Life Insurance Corporation of India (LIC) were the gainers.

The market valuation of Reliance Industries dropped by Rs.46,078.3 crore to Rs.17,87,039.40 crore.

HDFC Bank's valu...