BSNL — Unauthorized bill for bsnl hangama

Address:

Kottayam, Kerala

I have a broadband connection[protected]. normaly bill getting below 700/-. But july 2015 to bill receiving with an amount 1134//-. Bill checked and found one time charges 410/-added every month.i think it was something security deposit. i contact custemercare and they told me your number activated bsnl hungama servise and this amount for subcription charge.i dont aware for it .already i unsuscribed this service already three times billed 410/- each. Anyway my unauthorised billed amount please refund me my name Rajan kj email id [protected]@gmail.com my contact no [protected]