Reliance Communications — mobile bill

Address:

Mumbai City, Maharashtra, 401202

I have ported my reliance number from reliance to vodafone in the month of november 2017 and no dues was pending with reliance. Still i am getting bills for december 2017 and january 2018 where as i have ported the number in vodafone.
Kindly arrange to resolve the issue customer care numbers are also not working even i have reply to the mail from where i am getting bills but no body is responding. My number is [protected].