378 – Impact of rainwater harvesting techniques on groundwater depletion and contamination D.Gnanasundar and M.Senthilkumar Scientist, Central Ground Water Board, MOWR, Gujarat, India   Abstract:   Groundwater abstraction has been multiplied by many folds in the Indian sub-continent since early 70’s.  In states like Tamilnadu, Gujarat and Rajasthan, groundwater depletes at an alarming rate of […]