Gracing the Oriah Festival of the Wangsu community at Mopin-Solung ground here, the governor stressed that the indigenous communities of the state must preserve their dialogue, language and heritage.
He advised the people to go for documentation and said that efforts should be there to develop their own script.
He said that major tribes should ensure the ground is made for minor tribes carrying forward their identity.
"This will ensure peace and tranquillity in the state," he added.
A colourful cultural programme including, famed bamboo dance of the Wancho, war dance, fashion show and remix of traditional and gymnastic dance were presented on the occasion.