Airtel — charged for services without my consent

Address:

403707

I just re charged my mobile with 120 talk time to my shock after some time i have a balance of only 21 rupees they have charged me for services i have not asked for this is cheating and i am trying to stop this service abd losing money on messages they have not even told us how to stop these services so they can make more money. This shows that airtel is having poor service compared to other operators. I would ask you to reverse this amount as I am not using this service and I cannot stop this service coz lack of information.