Answer: Nagaland use an indigenous system of conservation of rain water known as the 'Zabo' or 'Ruza' system. In this system, rain water is collected and stored in catchments along mountain slopes for irrigation and other purposes. The system combines water conservation with forestry, agriculture and animal care.
Manipur: The rainwater can be collected from various hard surfaces such as rooftops and other hard surfaces above ground surfaces. Rains are the main sources of water in Manipur and if rainwater is harvested, the scarcity of water in the state can beeliminated or minimize the water stress in the state during the dormant season.