File:Sarna worshippers following their religious rites.jpg Sarna alfarma kurmi ne a cikin al'adun addinai na yankin Chota Nagpur Plateau a cikin jihohin Jharkhand, Bihar, Assam da Chhattisgarh . Mabiya waɗannan ƙa'idodi na farko sun kasance na Baiga, Ho, Kurukh, Munda da Santal . Dangane da imanin gari, Gram deoti ko allahn ƙauye suna zaune a cikin sarna, inda ake miƙa hadaya sau biyu a shekara. A cikin 'yan shekarun nan yawancin kabilu da kungiyar Kudumi Mahato sun nemi lambar addini ga Sarna, ban da Hindu, saboda sun yi imanin cewa masu bautar yanayi ne. Sarna yana nufin "ɗan kurmi " kuma yana da alaƙa ta asali da sunan itacen sal . Ga imanin almara na Santali 'Sarna' yana nufin 'kibiya ce' Mabiya addinin Sarna sun yi imani, suna bauta, kuma suna girmama allahn ƙauye a matsayin mai kare ƙauyen, wanda ake kira Gaon khunt, Gram deoti, Dharmes, Marang Buru, Singbonga, ko kuma ta wasu sunaye ta ƙabilu daban-daban. Har ila yau, mabiya sun yi imani da, sujada, da girmama Dharti ayo ko Chalapachho Devi, allahn uwa da aka gano a matsayin ƙasa ko yanayi.