Dear Sir, I have been using the prepaid no. 7275750355, since last 6 months, got this connection from mobile store. this no. was succesfully recharged yesterday and worked till today afternoon 2.00. All of sudden sim card failure was displayed . whn contacted ur corporate office in kanpur, was directed to there branch office naveen market, kanpur. REGRET to inform you further, NO action was taken there, i was once again asked to go to the cprporate office. when insisted to speak there, the personal called up. But MR Bhupendra... read full review »