[Resolved]  Airtel Customer Service — change in mailing address

I hold a post-paid airtel connection and is active for the past 5 years now.
Recently I have shifted my house and in that connection wanted to change my mailing address.

I have been calling up the customer care executives and every time they give a new information.

Here are the call references#
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I told them that my citibank statement which contains the new mailing address is the proof of submission. And they agreed to it.

I took my airtel connection from Vijayanagar aritel office, and as I stay quiet close to that area, I decided to get it changed in that outlet. Hence when I went all the way from Marathahalli( where I work) to Vijayanagar that lady told me that the bank statement will not act as a proof. Why are the executives giving misleading information.When contacted again (121) that executive told me that a nationalised statement is accepted. Later another executive told me that the address on the Company letter head ( that I work) is okay to be submitted as a proof.

I had decided to go today and when i contacted the aritel office rajaijanagar 6th block over the phone, to check if they accept the letter head as the proof, she sang another song... she said this will not suffice.

The verification for a mobile connection is already done when I got one, now i am asking for change in the mailing address and not a new phone connection. Please understand my point.