Explanation:

The Rabha people celebrate the Farkhanthi Festival and the Baikhu Festival.

The Rabhas practise monogamy. They observe a yearly festival for the dead Kings of the clan, which is known as "Farkhanthi".

Baikho: Baikho is a religious festival of Rabha community. This religious festival observed in Baishakh month (in the month of April-May). All sections of Rabha once worshiped the deity except the Pati Rabha. Pati Rabha worships this Baikho devi along with the Langa or Maherva.