Conservation GeekSeven Facts that Shows Expertise of Indians to control water at least for the last 7000 years Ancient Indians was well aware of hydrologic cycle,deviced waste disposal system and innovated rain gauge,dams,AC,rain water harvesting tanks etc. Mrinmoy MajumderFeb 14, 2024∙ PaidShareThis post is for paid subscribersSubscribeAlready a paid subscriber? Sign inPreviousNext