please refund my RS 49 deducted on 9th jan,2015

Mydala Contest

please refund my amonunt Rs 49 today. i didnt even enter this site. i called morning about this to vodafone call center and they told this deduction. please refund unneccessry deduction i m not intrest in this.I got a message from vodafone abou some offer and I wanted to enquiry about it.bt without telling about the deal ,49 rs was deducted from my balance,