The Bombay Stock Exchange benchmark Sensex on Tuesday gained about 103 points in early trade on heavy foreign capital inflows as rise in advance tax collection indicated better earnings for the December quarter.

The 30-share index Sensex rose by 102.92 points, or 0.61 per cent, to 17,200.47 points with stocks of metals, realty and auto sectors leading the recovery. The BSE barometer had ended 21.48 points down in the previous trading session.