Which Indian state was the first to make rooftop rainwater harvesting structure mandatory for all homes?

Correct option is B

Sol: The correct answer is (b) Tamil Nadu.

The Indian state that was the first to make rooftop rainwater harvesting (RWH) structures mandatory for all homes is Tamil Nadu.

Key Points:

• Tamil Nadu made rainwater harvesting mandatory in 2003.
• The state passed a law requiring all buildings, both residential and commercial, to have a rooftop rainwater harvesting system.
• This initiative was aimed at addressing water scarcity and improving groundwater levels.

Information booster:

Rooftop Rainwater Harvesting (RWH):

• ​Rooftop Rainwater Harvesting is a method of collecting and storing rainwater from the rooftops of buildings for various purposes such as drinking, irrigation, or domestic use.
• It involves capturing rainwater, filtering it, and storing it in tanks or underground reservoirs.