Aircel — Aircel again deducted my balance....

Dear Subscriber, you have been charged Rs. 15.0 for 3 days subscription of Pocket Store. You have got free credits in your account to download full songs, wallpaper, videos etc. of your choice. To Start logon to http://store.pocketinternet.in I received this message on my Aircel number [protected]. and my balance got deducted. Always when I activate net pack these frauds automatically subscribes their vas & deducts the balance. Last time also my 50 rs got deducted after getting such a message. I wanted my balance to get refunded as soon as possible... Please help me to get my deducted balance back. I haven't even requested to subscribe any such service. I just want my balance refunded as soon as possible or else I would wish to close this sim permanently...