BSNL — not getting my security deposit return

Address:

Dimapur, Nagaland

DEAR SIR,
I HAD DISCONNECTED & ALL MY DUES HAS CLEARED IN JUNE -2011 . AFTER THAT I APPLIED FOF SECURITY DEPSITE RETURNS. TILL DATE I HAVE VISITED MORE THAN 100 TIMES IN DIMAPUR BSNL OFFICE & MADE REQUEST TO MR. SEKIYA AND ALL ACCOUNT OFFICER INCLUDED GM FINENCE BUT I DIDNOT GOT MY SECURITY DEPOSITE BACK.AS ACCOUNTANT MR. SEKIYA TOLD ME THAT MY SOME DELTA AMOUNT IS REMAIN UNPAID ,THAN I SUBMITTED ITS PAYMENT RECEIPTS OF THAT DAY INCLUDING A RECEIPTS OF MY SECURITES DEPOSITE WHICH I HAD DEPOSITE RS.2000/-(TWO THOUSAND ONNY)AT THE TIME OF CONNECTION.THERE RS.800/-INSTALLATION CHARGE IS EXTREA ,I HAD PAID IN THAT TIME. RELATED THIS EVERY DOCUMENTS I HAD SUBMITTED TO THE OFFICE .SIR I REQUEST YOU KINDELY SEE MY CASE DO NEEDFUL ACTION AS SOON AS POSSIBLE.