Bihu denotes a set of three different cultural festivals of Assam. In a year there are three Bihu festivals in Assam - in the months of Bohaag (Baisakh, the middle of April), Maagh (the middle of January), and Kaati (Kartik, the middle of October). The most important and colourful of the three Bihu festival is the Spring festival “Bohag Bihu” or Rongali Bihu celebrated in the middle of April. This is also the beginning of the agricultural season.

Correct Option: D

Bihu denotes a set of three different cultural festivals of Assam. In a year there are three Bihu festivals in Assam - in the months of Bohaag (Baisakh, the middle of April), Maagh (the middle of January), and Kaati (Kartik, the middle of October). The most important and colourful of the three Bihu festival is the Spring festival “Bohag Bihu” or Rongali Bihu celebrated in the middle of April. This is also the beginning of the agricultural season.