BSNL prepaid connection
Balance Deduction

Hi i'm ravi using BSNL connection. my no. is 9463155500 & sim no. is 89915390871315199468.An internet service is activated on my number. I'v tried so many times to deactivate it but customer care didnt provide any help. Due to that internet service, 30Rs./month deducting from my balance. I want to deactivate that service and i want quick solution otherwise i will go for MNP service