India, Nov. 13 -- Equity benchmark indices Sensex and Nifty slumped in early trade on Friday amid profit-taking after a three-day rally and anticipation of a policy rate hike by the RBI next month after retail inflation surged to 6.09 per cent in October.

The 30-share BSE Sensex tumbled 460 points to 81,441.17 in early trade. The 50-share NSE Nifty fell 179.05 points to 25,119.50.

In the 30 Sensex firms, Mahindra & Mahindra, HDFC Bank, InterGlobe Aviation, Trent, Bharat Electronics and Bajaj Finserv were among the major laggards.

Tech Mahindra, Sun Pharma, HCL Tech and Hindustan Unilever were among the winners.

Retail inflation surged to 6.09 per cent in October, breaching the Reserve Bank of India's upper tolerance limit for the firs...