Anonymous on "Regarding balance deduction"

my name is Jasdeep singh. i have a mobile no of reliance co my mobile
no is 7508365890. i have received a phone call from reliance co &
after 10 second i cut the calls and then they deducted rs 30 from my
balance. without giving any notification . i called to customer care
they said we cant refund your amount your balance is due to u answer the co call i have not called to co for any
service so why they deducted my balance