During a ritual named Amati, mother earth is believed passing through menstrual period and thus to be in an unclean state.
Devi, a special synthesized form of both Durga of the Hindu pantheon and a tribal female deity, is still being worshiped in Cooch Behar.
Worship of Devi is generally performed by a Kamrupi Brahmin of North Bengal.
[6] Kamrupi Brahmins were prosperous during the Varman dynasty's reign of Kamarupa.
[8] In all these three groups of Brahmanas living in Kamarupa had 26 gotras at the time of their greatest power and standing.