"Chai NAT" model has been significantly water distribution pattern with the knowledge to know the owner of the knowledge fields, people use water to make this application can be shared with other authorities in the same area.
"Nat model" is distributed in the form of water. With the knowledge to know the owners know the water can put this information to practical use with other departments. In the same area
"NAT model" has spread water is formed by knowing paddy field. Know the owner know of water make can bring this information applications with other agencies. In the same area.