Prathama, the first day of Durga Puja, is when devotees worship Maa Shailaputri, the mountain-born daughter and the first manifestation of Durga.

Durga Puja or Durgotsav is the grand Bengali Hindu festival that occurs in the Hindu month of Ashwin (September-October), observed in the Indian states of West Bengal, Assam, Odisha, Tripura, Bihar, and Jharkhand plus Bangladesh country including other western countries as well.