Kali Puja, also known as Shyama Puja or Mahanisha Puja, is a festival originating from the Indian subcontinent, dedicated to the Hindu goddess Kali. It is celebrated on the new moon day of the Hindu calendar month of Ashwayuja or Kartika. The festival is especially popular in the region of West Bengal, and other places like Mithila and Anga of Bihar, Jharkhand, Odisha, Assam, and Tripura, as well as the town of Titwala in Maharashtra, along with the neighbouring country of Bangladesh.