[Resolved]  Idea Cellular — deactivation of 51998 services on my number

I got message from 51998 number. One message charge 3 rupees on my number in 2 time. I am not interested your service. So please deactivate service in my number ([protected]). It is happened two times dtd.04/10/2018 (Which was not know to me at that time) and 2nd time it is today i. E. 06/10/2018 for text msg of joke on wife in telugu please resolve as soon as possible