Kolkata (West Bengal) Durga Puja, major festival of Hinduism, traditionally held for 10 days in the month of Ashvina (SeptemberβOctober), the seventh month of the Hindu calendar, and particularly celebrated in Bengal, Assam, and other eastern Indian states. Durga Puja celebrates the victory of the goddess Durga over the demon king Mahishasura. It begins on the same day as Navratri, a nine-night festival in many northern and western states that more broadly celebrates the divine feminine (shakti).
Hi, You'll find the most colorful and joyous celebrations in Kolkata but a lot of big cities around the country celebrate the festival too, like Delhi, Mumbai, Ahmedabad, Varanasi, Guwahati and Kullu.