If you want you watch this only for the purpose of horror, then this movie will give the bonus of good story and will make you to think about different in your work and family.
In the movie Javed Jaffrey is a successful businessman, In full devotion of work many times he forgate his family. After some time he observe his is seeing some supernatural power ( Ghost) . When he consult with doctor, Doctor advise him to take rest from his work.
For rest he plan to go Shimla and from there main horror starts.
This movie so much successful to create horror. Star cast have done nice work for their act.
I think this movie try to say that there definetely much effect on your family by your work.