Even i got the same and closed tab without any further click and wrote:
@DishTV_India @TRAI What's going on ? Never requested any plan change yet upon login in Dishtv site it says that my request has been submitted ? Your CC numbers are not reachable and this kind of arbitrary change is neither requested nor accepted.
Then got one reply
Apologies! I request you to share your contact number via DM so that I can assist you better. - Nikhil
Shared my number and VC number via DM and clearly said that i never requested or have any thought to change my existing pack till last date of it's validity.