The BSE Sensex ended at 15,946, down 425 points and the Nifty ended at 4,778, down 128 points.
The Nifty too had slipped below the 4800 level, during the trading session.
The BSE benchmark index touched the day's high at 16,297 and the day's low at 15,900. ICICI Bank, Infosys and Reliance Industries were the major draggers, accounting for a 147 point loss to the Sensex.
Reliance Industries traded lower by 2.6% at Rs 787 after the Oil Ministry sanctioned taking "scrupulous" action against Reliance Industries for natural gas output from its KG-D6 fields having fallen below the target.
In Asia, shares fell as uncertainty remained over how euro zone leaders would respond to mounting funding difficulties for European banks, and an apparent failure by US politicians to agree on deficit reduction hurt sentiment.
The Shanghai Composite and Hang Seng indices ended down 1% each.
European shares, too, were set to fall, with spreadbetters seeing London's FTSE 100 opening down 0.9% and Frankfurt's DAX and Paris' CAC-40 down 0.8%.
Meanwhile, the rupee hit a new 32-month low in early trades as negative local shares and dollar demand from oil refiners weighed.
At 9:15 am, the partially convertible rupee was at 51.4950/5150 per dollar, compared with Friday's close of 51.3350/3450, after touching 51.5400, a level last seen on March 16, 2009.
BSE Metal, Bankex and Realty indices were leading the losses in an extremely weak environment, down 3-4% each.
JSW Steel, Sesa Goa, SAIL and Sterlite Industries, 5-7% each, were the prominent losers from the Metals space.
ICICI Bank, Federal Bank, Bank of India and Canara Bank, down 4-5%
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