हायाव अखानि दैखौ जथुमनाय , रैखा खालामनाय आरो बाहायनो हानाय गोहो , हायाव जमा जानाय दै आरो हानि दै सोबनाय गोहो बायदिफोरनि गियान थानाया गोनांथार ।
It is necessary to have knowledge of rain water accumulation , conservation and utilisation ability , collected underground water and water absorption power of land etc .