Bihu is one of the key festivals of Indian state of Assam and people celebrate it with three names viz. Bogah Bihu, kati Bihu and Magh Bihu. The Rangali Bihu, one of the three Bihus, is celebrated in April while Kati Bihu and Magh Bihu are celebrated in October and January respectively. Among the three Bihu celebrations, Rangali Bihu is the most significant and it is believed to be the beginning of spring festival and also New Year. While the Magh Bihu and Bhogal Bihu are celebrated with full fervour and are celebration of food.
The word Bhog which refers to joy of eating is from where Bhogali Bihu has originated. It is celebrated in the mid of January and it indicates the closing stage of the harvest season. During this festival celebration, since there is plenty of granary, people enjoy to a great extent eating extensively and feasting. Besides that, people enjoy the festivity of this season by playing a great many of sports on this day some of which are Nightingale-fight, Buffalo-fight, Cock-fight, Egg-fight and many more. People play these sports through the whole day and enjoy the merriment of the festival. All the three Bihus are celebrated to worship Lord Krishna and are celebrated by almost all the religious groups residing throughout Assam and irrespective of the caste, creed and ethnicity. The Assamese Diaspora residing in other parts of the world also celebrate Bihu.