Idea Cellular — activation of joke without asking

Address:

Nashik, Maharashtra

dear sir,
I,TRILOKI NATH is having a idea cellular prepaid connection no.-[protected].Today i recieve a message from IZ-IDEACL stated that " your subscription to jokes portal pack weekely is activated @ Rs 12 for 7 days. To DEACTIVATE SMS UNSUB ONJOKW to 55456." at 14:12;45.
I called the customer care he told today one call came to you from ourside to activate this service on ur no. and u have replied for that therefore this service has been activated on ur no. I told him that i have not recieved any call from idea ..he says that u have recieved a call.
But it`s true that i have not recieved any call from IDEA.
PLEASE DO THE NEEDFULL ...