Durga Pujo, also referred to as Durgotsab, is an annual Hindu festival in South Asia that celebrates worship of the Hindu goddess Durga. It refers to all the five days observed as Shashthi , Saptami, Ashtami, Nabami and Bijoya Dashami.
Durga Pujo is widely celebrated in Eastern India and especially in the state of West Bengal. Not only it is the biggest Hindu festival celebrated throughout the State, but it is also the most significant socio-cultural event in Bengali society.
Durga Puja also includes the worships of Shiva, Lakshmi, Ganesha, Saraswati and Kartikeya. Modern traditions have come to include the display of decorated pandals, and artistically depicted idols of Durga, exchange of Bijoya Greetings and publication of Puja Annuals. (Source: Wikipedia)