Actually opposition and it's suppoters are both promoting the film. The more they offer resistance to the film, the more it will spread. The more they downplay the injustice done (even if it may be exaggerated), the more public will be emotionally driven.

Normally, the movie earns the most in its release weekend and then it will slow down day by day. But the resistance offered by opposition ecosystem has helped the movie earn more.

Here are the collections of Kashmir files.

Day 1: 3.55 crore

Day 2: 8.50 crore

Day 3: 15.10 crore

Day 4: 15.05 crore

Day 5: 18.00 crore

Day 6: 19.30 crore

The movie lacked publicity. Hence, it earned less in its realise weekend. Criticism of the movie gave the movie the reach it required.

As for the tax situation, I agree it's a very cheap move but who's going to oppose it. People in this country only protest when it's about agriculture rates apparantly.