Some rivers in Manipur are used for transportation, especially in:

The correct answer is: All of the above.

Some rivers in Manipur are used for transportation, especially in the hilly regions, remote areas, and during the monsoon season.

In the hilly regions, rivers are often the only way to get around. They provide a vital link between different villages and towns. During the monsoon season, the rivers are swollen with water and can be used to transport goods and people. In remote areas, rivers are often the only way to get supplies in and out. They are also used for fishing and irrigation.

Here are some additional details about each option:

• The hilly regions: Manipur is a mountainous state, and many of its rivers are located in the hills. These rivers are often the only way to get around in these areas. They provide a vital link between different villages and towns.
• Remote areas: Manipur also has many remote areas that are not easily accessible by road. In these areas, rivers are often the only way to get supplies in and out. They are also used for fishing and irrigation.
• During the monsoon season: The monsoon season is the rainy season in Manipur. During this time, the rivers are swollen with water and can be used to transport goods and people. They are also used for fishing and irrigation.