The market was pulled down by IT shares, where the fall was across the board.
India's second-largest software exporter, Infosys' gave up all its early gains and ended 3.88 per cent down after a downward revision of dollar revenue guidance for 2015-16 despite a 9.8 per cent rise in September quarter net profit at Rs 3,398 crore.
The reaction was sharp as IT index plunged 2.02 per cent while technology took a hit of nearly 1.85 per cent.
A weaker rupee, at 64.75, also cast its shadow on market sentiment.
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Other factors that kept participants anxious were the Bihar election, which started today, and the lingering black-money issue.
The 30-share index barometer jumped 225 points in the beginning, but headed into the red zone soon after Infosys results and settled 175.40 points down, or 0.65 per cent, at 26,904.11.
The 50-issue Nifty too ended lower by 46.10 points, or 0.56 per cent, at 8,143.60 after shuttling between 8,244.50 and 8,128.20.
Lupin, Cipla, Sun Pharma, TCS and Dr Reddy's too lost big time.
The stock of Bank of Baroda felt the heat as it ended 3.02 per cent down after CBI carried out searches three of its locations in New Delhi for an alleged forex violation of Rs 6,000 crore.
However, metal stocks were in a sweet spot, which soared for the second day after Glencore said it will cut zinc output by a third, sparking a short-covering rally.
The broader markets, however, saw some buying activity. The BSE mid-cap advanced 0.15 per cent and small-cap ended higher by 0.01 per cent.
Major indices in Asia ended higher and Europe was trading lower in its early session.