Reliance Smart — Deactivation of caller tune

I am a subscriber of Reliance SMART service about 3 yrs.I have received one message from the said network that one caller tune has been activated and deduct RS-30/- with out my knowledge. It is very same ful matter that a great company earn money from innocent public without their knowledge. I equest that please rfund my money as early as possible.Because my money is not black money. And then i have to decide that am i continuing this company or not in future.