The index opened on a cautious note after global markets weakened on fears of the debt crisis spreading further.
However, it managed to recover on the back of buying in auto shares. Thereafter, the index remained volatile in a narrow range.
The Sensex finally ended down 236 points at 16,883.
Nifty ended at 5,069 - down 80 points.
Asian shares were down today as changes in the government failed to comfort investors about the strength of the Euro-zone recovery.
Hang Seng dropped 0.8% to 19,348. Nikkei added 0.7% to 8,542.
Meanwhile, Macquarie downgraded its India's growth forecast for the year to March 2013 by 1 percentage point to 6.9% due to a lack of policy reforms and the lagged impact of monetary tightening.
All the sectoral indices were in the red with realty, power and banking stocks slumping in trades. Realty shares fell with the BSE realty index dropping 5.2% to 1,671.
DLF fell for the third straight day and was down 6.6% at Rs 208.
Jaiprakash Associates fell 5.8% at Rs 70 in spite of reporting 11% rise in net profit at Rs 18.65 crore.
Tata Power dropped 1.5% at Rs 99 after reporting a consolidated net loss of Rs 1,219 crore for quarter ended September on account of provision for impairment of Coastal Gujarat Power assets and foreign exchange loss amounting of Rs 1,462 crore.
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