The festive mood is prevailing in Bengal for Kali Puja and Diwali to be celebrated tomorrow. Maa Kali idols are being brought in the puja pandals, which have been decorated with lights and diyas across the state. People are busy buying sweets, gift items, and crackers for the celebration. Today is being observed as Bhut Chaturdashi, and people light 14 earthen diyas in memory of their ancestors.