Great grand masti is average movie.the fun begins with masti is not apear in this movie due to the some drawbacks of story that actually for ghost movie.also the acting of all hero is average as compared to previous movie of masti two .why not people like this movie also the reason is adult comedy somewhat not attaract family members too.
Online leaked this movie before 15 days is also the reason behind the movie flopped.
Also the supporting roll of all three actress sis and bro . is not good