Q. The ‘khadins’ and ‘Johads’ for rain water harvesting were famous in:
Answer: Rajasthan
Notes: ‘Rooftop rainwater harvesting’ was commonly practised to store drinking water, particularly in Rajasthan. In arid and semi-arid regions, agricultural fields were converted into rain-fed storage structures that allowed water to stand and moisten the soil like the 'khadins' in Jaisalmer and 'Johads' in other parts of Rajasthan.

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