The festival is especially popular in the region of West Bengal, and other places like Mithila, Jharkhand, Odisha, Assam, and Tripura, as well as the town of Titwala in Maharashtra, along with the neighbouring country of Bangladesh.
A late 17th-century devotional text, Kalika mangalkavya, also mentions an annual festival dedicated to Kali.
[2] In Bengal during the 18th century, King (Raja) Krishnachandra of Nadia also made this puja wide spread.
This period marked a significant shift, as affluent landowners began to sponsor the festival extensively, leading to grander and more elaborate celebrations.
She is prescribed offerings of red hibiscus flowers, sweets, rice, and lentils.
[7] However, in Tantric tradition, animals are ritually sacrificed on Kali Puja day and offered to the goddess.
Kaushiki amavasya Kali Puja is greatly associated with the goddess Tara of Tarapith as it is considered the day when Devi Tara appeared on earth and blessed sadhak Bamakhepa, also according to the legends on this day the doors of both the "Naraka" and the "swarga" open for some time, while Ratanti puja is celebrated on Magha Krishna Chaturdashi and Phalaharini puja is celebrated on Jyeshta Amavashya of Bengali calendar.