Trai — regarding the channel subscription plan

Address:

60,odhavram krupa,sn road ,mulund west., Mumbai City, Maharashtra, 400080

I reside in mulund west.. My cable operator is home cable.
He is not applying thr tariff according to channel selection.. He is applying a lum sum charge of 400 now where he used to charge 300 and telling us that selecting channel will be in effect from 1st april 2019
I want some infornation regarding it..
As soon as possible
Contact no [protected].