Mumbai, Aug 25 - A key index of the Indian equities markets climbed back into the green Tuesday afternoon and was ruling 57 points points higher than its previous close.

At 1.20 p.m., the 30-scrip sensitive index (Sensex) of the Bombay Stock Exchange (BSE), which opened lower at 15,573.91 points, was trading at 15,685.9 points, up 57.15 points or 0.37 percent.

Around the same time, the Nifty of the National Stock Exchange (NSE) too was ruling in the green at 4,659.2 points, up 0.35 percent.

Broader market indices also gained, with the BSE midcap index ruling 0.37 percent higher and the BSE smallcap index 1.12 percent up.