Take a peppy catchy song, and play it at 1.5x slower speed. There is a certain kind of annoyance you're likely to experience - firstly, the annoyance at the drag, and then the annoyance that you are getting annoyed with something that you might have actually enjoyed. When the censor certificate of Tripura showed its duration to be 151 minutes, we knew this was going to be that kind of an experience.
Horror comedies have rather low aspirations and that is just the fact of the matter. Scare a bit, tickle a bit, and smile at the box office. And a hundred minutes is enough for this....