Payment of invoice not updated

Location/place: C-6/113 A Lawrence Road Delhi

Name of company/service: Bharti airtel ltd

I have paid payment against invoice of Febuary dt 27.02.2012 but company has not updated accounts after so many reminder Bharti airtel assured for credit vide reply [|BAL|Qrc11106121406189553696|]against my mobile no 9810022960