Reliance Communications — falsely cut of balance

Iam using reliance connection(gsm) they have cut my balance by rs30,by name of mkr service,they told me that i have selected that service,but actually i havent,this is the 2nd time they cut my balance falsely. i have call to the customercare they told me that your money not be refunded. i decided not to use this service. hopefully my money will be refunded this time....otherwise i will not use this connection.....reply soon....my mblno.[protected]