New Delhi, Sept. 21 -- The Indian equity markets opened on a positive note on Monday, driven by gains in realty stocks and correction in crude prices.

As of 9.20 am, Sensex added 411 points, or 0.55 per cent, to reach 74,706 and Nifty gained 33 points, or 0.14 per cent, to reach 23,379.

Main broad-cap indices showed divergence with the benchmark indices, as the Nifty Midcap 100 declined 0.19 per cent, and the Nifty Smallcap 100 shed 0.04 per cent.

Sectoral indices on NSE traded mixed, with Nifty IT and PSU banks posting moderate losses. Nifty realty was the top gainer, up 1.04 per cent, followed by auto, up 0.65 per cent.

Despite escalation of conflicts in the Middle East and the Russia-Ukraine war, Brent crude declined to below $102 du...