This certificate course studies about how agricultural became the principal occupation and main source of livelihood and why they were compelled to adopt shifting cultivation, commonly known as jhum, in hilly areas. Study is also done on Biba’s meaning which is to be applied to a boys and girls to carry the paddy to his own house from the keeping Mandu.
Dimasas are supposed to be the aboriginals of the Brahmaputra Valley ascending from the Himalayas with their roots connection to the Great Hindu Epic Mahabharata. Dimasas have their seats in the city called Dimapur. Dimasa mythology says that they are the children of Bangla Raja (Earthquake God) and the great divine bird Arikhidima. Bangla Raja’s six sons— Sibrai, Doo Raja, Naikhu Raja, Waa Raja, Guyung Brai Yung, and Hamyadao and Arikhidima are their ancestors, and in Dimasa belief, are ancestral Gods.