Vodafone India — Silent activation of VAS

Address:

737135

20 minutes ago voda silently deducted 45 rupees from main balance as it says. Hello! Look @ it service is now active on your number, as requested. This service is valid till[protected] and a 15 days rental of rs.45 has been deducted. Your current balance post service activation is rs.82.031. To deactivate sms stop to or call 155223 (Toll free). To download callertune app click hyperurl.co/vs

Then i call to cusomer care n complained abt it they say u active it check ur browsing history etc etc. Finaly after so much discusion they refunded back.

I want to know how can i completely blacklist my number fron future vas