Indices continued their downfall on the third straight day and ended near day's low level on February 17 with Nifty below 12,100 level.
At close, the Sensex was down 202.05 points at 41,055.69, while Nifty down 67.70 points at 12,045.80.
Among sectors, PSU Bank shed 3 percent, while metal, pharma, infra and energy fell 1 percent each. BSE Midcap and Smallcap indices also declined 1 percent each.
The index closed below 12,050 and formed a bearish candle for the third straight session, as the closing was lower than the opening value.