Tata Docomo — net wap news alert

Address:

Mumbai Suburban, Maharashtra

i am losing my balance daily on my number from tata docomo by receiving newsalert from netwap.when i tried to check services with dnd of tatadocomo, it does not say i am registered with any service. already i have lost around 500 rs. on another service which i never activated. where the hell do tata docomo ppl think they are looting the money from ppl's mobile balance???