Bharat Sanchar Nigam Limited [BSNL] — Not given my refund

Address:

Jaipur, Rajasthan, 302021

Hello sir,
Sep 2015, i had fill the refund form and deposit it in M I road jaipur branch.
The officer told to that i got my 600 rs refund by chaque with in 90 days.
But still 23rd feb 2016 i have not received any amount from BSNL company. Also i had went to there office but as usual BSNL is govt. Office so no body give proper response and not take any action against my complaint.
Please help me to get my refund.
Thank you
Monika
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