Which is the first Indian state to start rooftop rainwater harvesting?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Tamil Nadu.
- Tamil Nadu was the first state in India which launched the rooftop rainwater harvesting and made it compulsory for every building to avoid groundwater depletion.
- The rooftop rainwater harvesting model of the Tamil Nadu government gave an excellent result within five years and led to a 50% rise in water level in five years in Chennai.