Ayyappa Mahadevappa Masagi, 62
Also known as the Water Warrior, Ayyappa Masagi combines native intelligence with modern technology and ideas, to respect, harvest, conserve and utilise water more effectively. He has executed 9,000 conservation, irrigation, industrial and rainwater harvesting projects in 13 states, making them more water efficient. An Ashoka Fellow, his goal for the next five years is to solve the drinking water and irrigation problem in 2,000 villages in Karnataka. Seen here is Masagi at one of his successful water projects at Daksha, near Kuduragere in Karnataka.