Durga Puja (ISO: Durgā Pūjā), also known as Durgotsava or Shaaradotsava, is an annual festival originating in the Indian subcontinent which reveres and pays homage to the Hindu goddess Durga, and is also celebrated because of Durga's victory over Mahishasura. It is particularly celebrated in the Indian state of West Bengal,Odisha,Tripura, Bihar, Jharkhand, eastern Uttar Pradesh, Assam and by Hindus in Bangladesh. The festival is observed in the Indian calendar in the month of Ashvin, which corresponds to September–October in the Gregorian calendar.