Bharat Sanchar Nigam [BSNL] — security amount refund

Address:

Faridabad, Haryana, 121005

Sir/Madam.
This is to inform you Myself Manish Bansal, on dt 06/09/16 i got receipt to surrender my landline ph.[protected] but my security not refund till now. many times i goto sec-23 Telephone Exchange and sec-15A Telephone Exchange, but i didnt received any satisfactory response. i attach my receipt copy, pls find enclose and Kindly solve my security deposit issue as soon as possible.
Thanking you
Regard
Manish Bansal
[protected]