Rongker and Chomangkan are the two most important festivals of the Karbis, an indigenous tribe of the beautiful Karbi Anglong district of Assam.

Rongker is basically a springtime festival of merriment and is performed at the beginning of the New Year, i.e. April, which appeases different God and Goddess for the welfare of village. The festival is organised to keep away diseases, natural calamities and of course for good harvest. 

On the other hand Chomangkan is an elaborate death ceremony. There is no fixed time for this ceremony and it is organised according to convenience of the community.