'Magh Bihu' is celebrated on the 14 and 15 of January. This is the festival of :

The correct answer is Assam. Important Points Bihu: Bihu is a set of three important festivals observed in the Indian state of Assam which are- Rongali or Bohag Bihu observed in April Kongali or Kati Bihu observed in October Bhogali or Magh Bihu observed in January The Rongali Bihu is the most important of the three, the Bhogali Bihu is a harvest festival and the Kongali Bihu is an animistic festival. It is celebrated with great joy and abundance by all Assamese people regardless of caste, creed, and religion. Hence, the correct answer is Assam.