Rongali Bihu: The Most Popular Spring Festival of Assam People in Assam celebrate spring festival in mid-April. It is the biggest festival known as Rongali Bihu or Bohag Bihu. Children enjoying dancing Bihu in Rongali Bihu festival in Majuli, Assam. Image courtesy: Wikipedia. By Mithu Das April 15, 2017 When spring arrives, it makes everything anew—the weather becomes warmer, trees grow new leaves and flowers appear, animals wake up from hibernation, and birds migrate to warmer regions—in Shakespeare's language: When proud-pied April, dress’d in a...