When it comes to the National Festivals of Assam, Bihus top the chart. Celebrated in the months of January, April and October – the Bihu festivals are known as Bohaag Bihu (Rangali Bihu), Maagh Bihu (Bhogali Bihu) and Kaati Bihu (Kongaali Bihu). The most important of these is the Spring festival ‘Bohaag Bihu’ or Rangali …