Rakshasi (2017)

This movie is about a homely mother with two kids fighting for their survival against the titular ghost. A married couple enters into their new home along with their two kids and grandmother. After entering the house they experience some mysterious situations. One day the grandmother invites a Swamiji to their home to solve their problems. In the process of finding the ghost, suddenly the ghost attacks him and kills him. But Swamy creates a power from his death to destroy the ghost. What power he created and how the ghost destroyed is the movie.