Location/place: mizoram

Name of company/service: reliance gsm

i have 7308520282 reliance gsm no. VAS USSD SERVICE has been activated aoutomaticaly by service provider. i try many times costumer care many times but my problum is not solved by them. i losted a balance of up to 70 rupees in about last 30 days. please help me to stop the service. i will be thankfull to you if you stop this service and get back my balance