The correct answer is: All of the above.
Embankments are artificial barriers that are constructed to prevent flooding. They are typically made of earth, stone, or concrete, and they can be either natural or man-made. Embankments can be used to protect areas from flooding, such as towns and cities, or they can be used to control the flow of water in rivers and streams.
Dams and reservoirs are also used to control flooding. Dams are structures that are built across rivers to store water. Reservoirs are the bodies of water that are created behind dams. Dams and reservoirs can be used to control the flow of water, and they can also be used to generate electricity.
Watershed management is a process that is used to protect and manage water resources. It involves a variety of activities, such as land use planning, forest management, and erosion control. Watershed management can help to reduce the risk of flooding, and it can also improve the quality of water.
All of these measures can be used to control flooding in Manipur. The best approach will vary depending on the specific circumstances of each area.