The much-awaited festival, introduced 200 years back, is organised mainly for land tax collection from the inhabitants.

To mark the occasion, a five-day folk fair will be held at the 'Rajbari' (palace) ground. The Chittagong Hill Tracts Affairs Ministry already donated Tk 2.5 lakh for the purpose, according to 15th Bomoung Chief (Raja) Aoung Sue Prue Choudhury. He hopes its befitting observance in association with local administration. Not only local people, but people from home and abroad wait eagerly for the festival.

Although the customary monarchy was abolished from the country much before, yet the system exists constitutionally in Chittagong Hill tracts (CHT).

The entire hill tracts are divided into three cricles such as Chakma circle, Bomoung circle and Moun circle. Bomoung circle constitutes the entire Bandarban administrative district (95 Moujas) and 14 Moujas of Rangamati district. The Rajpunnah is arranged in 109 Moujas every year.