Prathamastami is one of the festival which is only observed in Odisha . The festive is only for the eldest child of the family.The festive is for their life and prosperity .On Prathamastami day , the eldest son is offered a lighted lamp ovation by the senior female relatives followed by elaborate rituals during which the Mantras are recited.
The celebration falls on the dark half eighth day Ashtami of the month of Margashira according to the Purnimanta calendar followed in North India, occurring after the eight day of Kartik Purnima. The ritual involves Aarathi of the eldest child by mother and relatives in which the maternal uncle sends the items necessary for the ritual, and Ganesha, Shashti devi and the family deity are worshipped. The main delicacy of the day is Enduri Pitha.
Also read : Things to know about Enduri Pitha Recipe