Raut Nacha is a folk dance performed mainly by the tribal communities of Chhattisgarh, a state in central India. The dance is traditionally performed by the Raute community, a small group of nomadic forest dwellers who live in the Chhattisgarh region. After the Diwali festival, during the 'dev udhni ekadashi,' it is performed.

Raut Nacha is a lively and energetic dance that is typically performed during festivals and other celebrations. The dance is characterized by fast-paced footwork and acrobatic movements, and it is typically accompanied by music played on traditional instruments such as the dholak (a type of drum) and the nagara (a type of drum).

The dance is an important part of the cultural heritage of Chhattisgarh and is enjoyed by both the tribal communities that perform it and the wider public. It is often featured in cultural festivals and other events in the state, and it helps to preserve and promote the rich cultural traditions of the region.

There are several reasons why Raut Nacha is celebrated:

1. It is a means of cultural expression: Raut Nacha is a way for the tribal communities of Chhattisgarh to express their cultural identity and traditions through dance. The dance is an important part of their cultural heritage, and it helps to preserve and promote their rich cultural traditions.
2. It is a source of entertainment: Raut Nacha is a lively and energetic dance that is enjoyed by both the tribal communities that perform it and the wider public. The fast-paced footwork and acrobatic movements of the dance make it an entertaining spectacle, and it is often featured in cultural festivals and other events in the state.
3. It promotes social cohesion: Raut Nacha is often performed as a group activity, and it helps to bring people together and promote social cohesion within the tribal communities. The dance is a way for people to come together, celebrate their culture, and strengthen their sense of community.

Overall, Raut Nacha is an important folk dance form that plays a significant role in the cultural life of the tribal communities of Chhattisgarh. It is a means of cultural expression, a source of entertainment, and a way to promote social cohesion, and it helps to preserve and promote the rich cultural traditions of the region.