The Sensex and the Nifty plunged over 0.9 per cent at the closing session on Friday on heavy FII selling despite firm European cues.
Investors remained cautious ahead of quarterly earnings from Reliance Industries, Wipro and other blue-chip companies to be announced later in the day.
The 30-share BSE index Sensex was down 201.56 points or 0.95 per cent at 21,063.62 and the 50-share NSE index Nifty was down 57.25 points or 0.91 per cent at 6,261.65.
On the BSE, IT, TECk, realty and banking indices fell the most by 2.55 per cent, 2.28 per cent, 2.4 per cent and 1.57 per cent, respectively. Only oil & gas and FMCG indices were up 0.25 per cent and 0.07 per cent, respectively.
Bajaj Auto, BHEL, HUL, Cipla and M&M were the top five Sensex gainers, while the top five losers were TCS, Wipro, HDFC, ICICI Bank and Axis Bank.
Most European stocks were up as investors awaited data on US housing starts and industrial production.