A strengthening rupee, efforts to restart reforms and expectation of more rain, coupled with positive Asian market cues, propelled the barometer index of Indian equities to provisionally close 451 points up on Tuesday.The 30-scrip sensitive index (Sensex) of the Bombay Stock Exchange (BSE) rose 451.28 points or 1.81 percent. The wider 50-scrip Nifty of the National Stock Exchange (NSE) too made gains during the day's trade. It was higher by 129.45 points or 1.71 percent at 7,688.25 points. The S&P BSE Sensex, which opened at 24,972.01 points, provisionally closed at 25,345.09 points (at 3.30 p.m.) - up 451.28 points or 1.81 percent from the previous day's close at 24,893.81 points.The Sensex touched a high of 25,411 points and a low of 24,833.54 points in the intra-day trade.