Oil prices were seen climbing to $100 per barrel when sanctions on Iran's oil and gas sector came into effect on November 5. But prices have reversed direction during the last 12 straight days.

Oil prices posted the deepest plunge in more than three years in the international market. Brent crude, used to price international oils, dropped to $65.17 a barrel. Oil has now fallen roughly 30 percent for 12 straight days, driven by worries over rising oil production around the world and weakening demand from developing countries, with expectations for increased supply from the US and OPEC.

Brent crude prices were trading at $68.15 per barrel, down 2.08% from their previous close. Benchmark US crude fell 78 cents to $59.15 per barrel in electronic trading on the New York Mercantile Exchange. The contract sank 26 cents on Monday to $59.93.

Tata Motors (4.84%), Hero MotoCorp (3.82%) and PowerGrid 2.87% were the top Sensex losers. Of 30 Sensex stocks, 25 closed lower.