Airtel Prepaid
Unauthorised account balance deduction

I got a message like these :

"Thanks for downloading Hungama Content Game from Airtel. You have been charged Rs 99. Filmy Buzz and Pics *321*69#"

i didn't even open access airtel live and customer care employee said i have downloaded the above by following some link which i did not do and he said i will not get any refund. I would want the concerned authorities to give my amount back or this shows open cheating by deducting balance without any authorization.