Idea Cellular — automated messages

Address:

47/1, Taware Colony, Laxmi Parvati Soc, Flat No-1, , India, Pune, Maharashtra, 411009

Automatic messages are being sent to the following number :[protected] charging rs 25 from my number [protected].
Every sms is charger rs 5. This will keep on going for further bills to come. The idea agent i spoke to says you have sent the message inspite of me telling him that i haven't sent any message and just wasn't ready to accept it.
After doing a google search i found many people have encountered this problem.
Please look into the matter and refund my amount.