Airtel — vas, gamesworldpocket

Address:

Jamnagar, Gujarat, 361142

Today (05/11/2018) morning i got msg which was delivered at 3:05 am says that “thanks for using gamesworldpocket. You have been charged rs 20.0 from your airtel mobile account. For more services, call 56789”.
And i have not used any services from long time.
Pls. Refund my money.
Or else there’s only one option to do port with other telecom operators.