The correct answer is: All of the above.
Sprinkler irrigation is a method of irrigation that uses sprinklers to spray water onto crops. It is a more efficient way to irrigate than flood irrigation, as it uses less water and can be used on a variety of crops.
Drip irrigation is a method of irrigation that delivers water directly to the roots of plants through a network of small pipes. It is a very efficient way to irrigate, as it uses less water and can be used on a variety of crops.
Micro-irrigation is a method of irrigation that delivers water to plants through a network of small tubes or emitters. It is a very efficient way to irrigate, as it uses less water and can be used on a variety of crops.
All of these methods of irrigation are being promoted in Manipur, as they are more efficient and effective than traditional methods of irrigation.