Describe any three traditional methods of rainwater harvesting adopted in different parts of India.

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(i) In hilly and mountainous regions, people build diversion channels like 'gul' or 'kul' in Western Himalaya for agriculture.

(ii) Roof-top rainwater harvesting was commonly practised to store drinking water, particularly in Rajasthan.

(iii) In West Bengal, people develop inundation channels to irrigate their fields.

(iv) In semi-arid regions, agricultural fields are converted into rainfed storage structures that allowed the water to stand and moist the soil.

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