The correct answer is: All of the above.
Each tribal community in Manipur has its own distinct language and dialects, social and cultural practices, and traditional knowledge systems. These unique features help to preserve the identity and culture of each community.
The languages and dialects spoken by the different tribal communities in Manipur are a reflection of their rich history and culture. These languages are often used in everyday conversation, as well as in religious ceremonies and traditional festivals.
The social and cultural practices of the different tribal communities in Manipur are also unique. These practices vary from community to community, and they often reflect the history and environment of the community. For example, some communities have a matrilineal system of inheritance, while others have a patrilineal system.
The traditional knowledge systems of the different tribal communities in Manipur are also unique. These systems are based on the accumulated knowledge and experience of the community, and they often include information about plants, animals, and the environment. This knowledge is passed down from generation to generation, and it plays an important role in the lives of the community.
The unique features of each tribal community in Manipur help to preserve their identity and culture. These features are a valuable part of the cultural heritage of Manipur.