Vodafone — phone disconnect

phone no. [protected] activated as post paid as plan 349 rs. But phone bill come out 1000 rs with in 5 days. 2 times outgoing off. one time 200 rs paid as discussed with customer care . we have taken plan of 349 rs, no plan start and 1000 rs bill come with in 5 days. its issue of cheating . Kindly consider our complaint.