Content Courtesy: Rotary Madras South

Talk by Sekhar Raghavan, Rain Centre, at the Rotary Club of Madras South weekly meeting on 26 April 2011 on rainwater harvesting and ecological sanitation - Part 1.

Talk by Sekhar Raghavan, Rain Centre, at the Rotary Club of Madras South weekly meeting on 26 April 2011 on rainwater harvesting and ecological sanitation - Part 2.