Tata Photon Plus — bill payment

I Paid my last (July-2012) Tata Photon Plus Bill on 21st September 2012. I have acknowledgement of (902 Rs ) that and same day i raised request for close this connection permanently (Request Number#[protected] and send a email also. Now they are asking for July 2012 bill (Amount 843 Rs). I did not received ant bill of 843 Rs of July 2012 and i already paid july amount.I received a call they filed a case against me in kadkadduma court Delhi.
My Photon Number is [protected].
Please suggest.

My Name: Vikrant Sikarwar
Co.No#[protected]
Complaint against#Tata Docomo

I Paid my last (July-2012) Tata Photon Plus Bill on 21st September 2012. I have acknowledgement of (902 Rs ) that and same day i raised request for close this connection permanently (Request Number#[protected] and send a email also. Now they are asking for July 2012 bill (Amount 843 Rs). I did not received ant bill of 843 Rs of July 2012 and i already paid july amount.I received a call they filed a case against me in kadkadduma court Delhi.
My Photon Number is [protected].
Please suggest.

My Name: Vikrant Sikarwar
Co.No#[protected]
Complaint against#Tata Docomo