Mumbai: Carrying forward its modest gains since Monday, the BSE benchmark Sensex on Tuesday went up marginally by over 75 points to 18,495.62 as investors purchased blue chips like RIL and Infosys amid firm global cues.

Spurred by the gains in top rank heavy weights RIL and Infosys, the 30-share barometer which had gained 44 points in the previous session, went up by 75.51 points.

It moved in a range of 18,355.30 and 18,545.95 during intra-day trading.

Broad-based National Stock Exchange index Nifty rose by 24.10 points to 5,556.25 following a better trend in Asia and higher opening in Europe.

Market traders said a fall in crude and other commodity prices in overseas market helped assuage the inflation fears. Crude fell amid speculation the oil producing nations might
raise output quotas in their meeting tomorrow. Brent North Sea crude for July delivery today dipped 41 cents to USD 114.07.

They added firming Asian markets and higher opening in Europe rubbed off the sentiment in the market here, as investors picked fundamentally strong stocks available at attractive lower prices.

RIL and Infosys that carry nearly 21 per cent weight on Sensex, gained 1.93 per cent and 1.91 per cent to Rs 956.20 a piece and Rs 2,892.75 a piece, respectively.

Realty, IT and refinery sector stocks also gained. The realty sector index rose by 1.59 per cent to 2,171.24,followed by oil and gas index by 1.40 per cent to 9,566.12. IT sector index gained 1.21 per cent to 6,125.94.