सोमोन्दो गैयै / उदां फालांगि - सोमोन्दो गैयै फालांगिया बेनो जेराव गावजों गाव जेबो सोमोन्दो थाया ।
The principle of combination of activities - presents a solution to the problem of , in what proportions should various activities be done on the farm , so that maximum profit is obtained from the available production resources .