An artisan is seen making a structure of an idol of Goddess Kali , ahead of Kali puja celebration in Nagaon District of Assam , India on Oct 20,2022 . Kali puja is dedicated to celebrate Hindu goddess Kali on the new moon day of the Hindu month of Karthik especially in regions of Bengal , Assam , and parts of eastern India.Kali Puja is a Hindu festival dedicated to the Goddess Kali. Kali Puja is celebrated on new moon day during Diwali festivity. Diwali Puja and Kali Puja falls on the same day but in some years Kali Puja might fall one day before Diwali Puja.Devotees worship Goddess Kali in the form of clay sculptures at pandals.Kali Puja gained popularity in the 19th century, when kali saint Shri Ramakrishna became popular among the Bengalis.