Bharat Sanchar Nigam [BSNL] — status of my security deposit for land line[protected]

Address:

Muzaffarnagar, Uttar Pradesh, 251001

I advise that i had applied to close my broad band land line telephone in august 2018 but the refund of my security amount has yet not received in my savings bank account
I had not deposited the dues from my date of request to the telephone became dead as the bill was much lessor than that of my security amount
I went to accounts office but they said that the refund will automatically deposited into my savings bank account given by neft but alas, not received
Omprakash.
Mobile-[protected]