At close: Sensex rises by 497 points to 56,319.01 and Nifty at 16,770.85

(G.N.S) dt. 21 Mumbai On the second day of the week, market closes witha rise, Sensex was up 497 points or 0.89% at 56,319.01, and the Nifty was up 156.60 points or 0.94% at 16,770.80. About 2204 shares have advanced, 1033 shares declined, and 111 shares are unchanged.HCL Technologies, Wipro,