دانلود کتاب توسعه و مدیریت منابع آب پایدار

India, with a population of over a billion (1.336 as on December 31, 2019), is the world’s largest democracy, and traditionally, civilization in India, as around the world, has, for the most part, evolved and developed around water bodies as most human activities and the agriculture and industrial sectors depend on water. Agriculture is the main source of maintaining the livelihood of 80% of the people of India, and the economy is still primarily based on agriculture.