Using rain water to replenish ground water levels

We are a company that sells eco friendly products. But we also are a company that cares about the environment. We like to promote real world examples of normal people making a difference to the environment. (be it a big or small impact)
Ground water levels in most parts of India are going down at fast rates. In the state of Karnataka there is a case of an individual using rain water to replenish the levels of ground water. Here is a video in Tamil that describes the process he uses :

https://www.facebook.com/permalink.php?story_fbid=2486581964771981&id=2248558668574313

 Rain water is basically diverted to a deep pit. The water in the pit slowly seeps into the surrounding earth, in the process replenishing the levels of ground water.