In-migration to Manipur can contribute to:

Economic growth
Cultural diversity
Social tensions
All of the above

In-migration to Manipur can contribute to economic growth, cultural diversity, and social tensions.

Economic growth: In-migration can bring new skills and ideas to a region, which can lead to increased economic activity. For example, in-migrants may start new businesses or bring new technologies to the region. This can create jobs and boost the economy.

Cultural diversity: In-migration can also lead to increased cultural diversity. In-migrants bring their own cultures with them, which can enrich the local culture. This can lead to new opportunities for cultural exchange and understanding.

Social tensions: However, in-migration can also lead to social tensions. In-migrants may compete with locals for jobs and resources, which can lead to resentment. Additionally, in-migrants may bring different values and customs, which can clash with the local culture. This can lead to conflict and social unrest.

Overall, in-migration can have both positive and negative effects on a region. It is important to carefully consider the potential benefits and risks of in-migration before making any decisions about whether or not to encourage it.