Rainwater harvesting (RWH) is a simple solution to Bangalore’s water shortage problem. However,
for a beginner to the subject, the various ways of harvesting rainwater, the work involved for all of them, and the benefits to each solution, can all be quite confusing. Here are some resources that could provide some direction and answer any initial questions you may have about RWH.
1. Wiki page on RWH and Biome’s role
2. Video that shows how recharge wells are dug: