Ahead of the unveiling of India's monetary policy for the current fiscal, key stock market indices opened lower on Tuesday.
Other Asian markets were weak after losses in the US and European markets the day before amid falling oil prices.
The sensitive index (Sensex) of the BSE, opened at 25, 372. 44 points against the previous close at 25, 399. 65 points.
Minutes after, the 30 - share index was quoting a 25, 302. 37 points, with a loss of 97. 28 points, or 0. 38 percent.
At the National Stock Exchange, the 50 - share Nifty, which had closed on Monday at 7, 758. 80 points, was ruling at 7, 728. 60 points, with a loss of 30. 20 points, or 0. 40 percent.
The Reserve Bank of India (RBI) Governor Raghuram Rajan is scheduled to unveil the central bank's monetary policy for the current fiscal, amid hopes that he would cut interest rates to help India Inc and nurse growth.
On such hopes, coupled with positive macro - economic data, key Indian equity indices had closed on a higher note on Monday.
The Sensex of the BSE had ended with a gain up 130. 01 points, or 0. 51 percent, while the Nifty inched up 46 points, or 0. 59 percent.