Ghosts are an important part of the folklore, and form an integral part of the socio-cultural beliefs of the people living in the geographical and ethno-linguistic region of Bengal. Popularly known as the Indian Halloween, Bhoot Chaturdashi is observed on the night before Kali Puja. Observed primarily in the eastern parts of India, it is said that on this night the dead walk among the living. The evil spiritual powers are seemingly heightened on this night. In order to keep the evil spirits at bay, people ritualistically observe Bhoot Chaturdashi every year.