The correct answer is: All of the above.
Irrigation is important for agriculture in Manipur, especially in the Imphal Valley, Hilly regions, and River valleys.
The Imphal Valley is the most fertile region in Manipur and is home to most of the state’s population. The hilly regions are also important for agriculture, but they are more difficult to irrigate. The river valleys are important for irrigation because they provide a source of water.
Irrigation is important for agriculture in Manipur because it helps to increase crop yields. It also helps to improve the quality of crops and to reduce the risk of crop failure.
Irrigation is provided in Manipur through a variety of methods, including canals, wells, and tube wells. The government of Manipur has also been working to improve the irrigation infrastructure in the state.
Irrigation is a critical part of agriculture in Manipur and it is essential for the state’s economy.