a. Are there any rain harvested water ponds made in Karnataka near Bangalore.
b. What should be the slope of sides of the pond
c. After laying the poly lining, in order to protect it, planning to use morter in ration of 1:8 cement: earth. Is this good enough?
d. Approximately what % of rain water in open firelds could be collected in Bangaluru Rural district? Taking it as 15% for determining the size of pond.