TRAI has laid down the guidelines to all Service providers that explicit consent of the customer is necessary to activate any service

. Next time if you got any value added services (VAS) automatically without your interest, you can claim full refund of your money back into your account. Provided the request for refund has to be made within 24Hrs. You can also claim refund when caller tune is activated by (*) copy feature ,USSD or any other way. The Service provider should ask for your willingness in way of SMS/email/call/ any other means which can be retained as a record.