(` crore) Week Ended Jul. 15, 2011 Jul. 22, 2011 Jul. 29, 2011 Aug. 5, 2011 Aug. 12, 2011 Aug. 19, 2011 @ 1 2 3 4 5 6 Amount 1,275.68 1,989.95 1,502.87 1,428.97 889.91 94.53 @ The data pertain to week ended August 18, 2011 as markets were closed on August 19, 2011. Source: National Stock Exchange of India Ltd.