Mumbai, Nov 22 (IANS) The key Indian equity indices opened on a flat note on Friday before trading marginally lower.

At 9.38 a.m., the BSE Sensex traded at 40,530.81, lower by 44.36 points or 0.11 per cent from the previous close of 40,575.17 points. So far it has touched an intra-day high of 40,653.17 and a low of 40,493.35 points.

The Nifty50 on the National Stock Exchange was trading at 11,948.95, lower by 19.45 points or 0.16 per cent from its previous close.

--IANS rrb/in