Reliance Communications — wrong bilissue

Address:

East Delhi, Delhi

Dear compliant department. i called in customer care and tell him to change my plan default as 99 but i got bill with previous plan when i called again then he said plan does change after one month..I have called many time and he said please pay your amount by current amount bill. I have tell him for please make a complain request but those are not creating any complain. and now my connection is barred. he also block my incoming connection. please solve my issue.