Mts Customercare Servies — Balance deduction

my mts mobile no is [protected]..unauthorised ballance deduction complain in 24 hrs..tell ballance balance will be refund in 38 working hrs..i wait 48 working hrs..but the balance not refund.. the ammount is..rs 8/- refund date 30/07/2015 between 2 p.m..and another ammount is rs. 30/- refund date 31/07/2015 1:41 pm..please help me to get the money.