[Resolved]  Airtel — Non return of original invalid cheque.

Address: Mumbai City, Maharashtra, 400 067

I dropped the cheque no. 166740 for Rs.1485 in BillBox drop box, on 15th August 2016. This was for my cel phone bill payment for July, 2016. On 6th Sept.2016, I received bill for August 2016. This bill showed balance payment for last month, Rs.1485. I contacted Airtel customer care no.12118. They told me that they not received the payment and are unable to trace the cheque. Next I contacted BillBox and they told me that they delivered the cheque to Airtel office on 16th August, 2016. They spoke with Airtel officer and found out that the said cheque has overwriting and it is invlid.
I contacted Airtel again on phone, wrote mail to [protected]@airtel.com. Sagarika told me on phone that I must make a fresh payment first and then they will return the original cheque. I followed on this everyday on phone and email. Last reply I received on email by Mr. Pankaj Reddy is given below for reference.
Dear Vinayak Deo,
Greetings from Airtel!
This is in reference to your email requesting for the hard copy of the cheque issued for your mobile number [protected].
Our records indicate that your request regarding hard copy of the cheque is already registered and the reference number is SR71529949. Our team is working on it and it will be resolved by[protected] by 12:00 pm.
Thank you for your cooperation.
Thanks for reaching out to us.
Delighted to assist you.

Best Regards,
Pavankumar Reddy
Service Specialist
airtel - the smart phone network
However, till today, I did not receive the original cheque. I made fresh payment with new cheque no. 166745 on 17th Sept.2016.
I give my details below :
Name : Vinayak B. Deo
Date of Incident : 16th August, 2016.
Airtel Relationship No. :[protected]
Full Description of the incident : As above.
Desirable Resolution : Return of original cheque no. 166740
As per advise on site, I do not give mobile no.