Expiry Date,NIFTY Index Value,Change in NIFTY value compared to previous close,% change in NIFTY value compared to previous close 24-Feb-11,5262.7,-174.65,-3.21% 31-Mar-11,5833.75,46.1,0.80% 28-Apr-11,5785.45,-48.45,-0.83% 26-May-11,5412.35,63.4,1.19% 30-Jun-11,5647.4,46.95,0.84% 28-Jul-11,5487.75,-59.05,-1.06% 25-Aug-11,4839.6,-49.3,-1.01% 29-Sep-11,5015.45,69.55,1.41% 25-Oct-11,5191.6,93.25,1.83% 24-Nov-11,4756.45,50,1.06% 29-Dec-11,4646.25,-59.55,-1.27% 25-Jan-12,5158.3,30.95,0.60%