Reliance Landline Phone — cheating, if not solved, i am going to customer forum

i recieved call from [protected] on 3 july 2014, this call from relience custmer care . the executive lady told me the offser of rs 51 for net or any other ... and today on 4 july 2014 my rs 51 cuts from main balance without my permission ...this is cheating and i will go to forum if not refund my balance, i also talk to custmer care at 198, but they did not respond me .. i cheated very badly and company will pay for it surly
my no. is [protected]