India, Feb. 14 -- Benchmark equity indices Sensex and Nifty tumbled more than 1 per cent on Friday due to across-the-board selloff, especially in metal, IT and commodity stocks, tracking sluggish global markets.In a volatile session, the 30-share BSE Sensex tumbled 1,048.16 points, or 1.25 per cent, to close at 82,626.76. During the day, the benchmark tanked 1,140.37 points, or 1.36 per cent, to hit an intraday low of 82,534.55.

The 50-share NSE Nifty plunged 336.10 points, or 1.30 per cent, to settle at 25,471.10. In the intraday trade, it slumped 362.9 points, or 1.4 per cent, to hit a low of 25,444.30. Among the Sensex constituents, Hindustan Unilever, Eternal, Titan, Tata Steel, Adani Ports, Tata Consultancy Services, PowerGrid, Reli...