New Delhi, May 12 -- The Indian stock market benchmark indices, Sensex and Nifty 50, are likely to extend losses and open lower on Tuesday, amid cautiousness over the rising crude oil prices and its impact on the domestic economy.

The trends on Gift Nifty also indicate a gap-down start for the Indian benchmark index. The Gift Nifty was trading around 23,646 level, a discount of nearly 222 points from the Nifty futures' previous close.

On Monday, the Indian stock market extended losses for the third consecutive session and ended sharply lower, with the Nifty 50 slipping below 23,900 level.

The Sensex crashed 1,312.91 points, or 1.70%, to close at 76,015.28, while the Nifty 50 settled 360.30 points, or 1.49%, lower at 23,815.85.

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