Arid districts such as Kutch in Gujarat, and Barmer and Jaisalmer in Rajasthan mainly have livestock economies and it is not unusual to see thousands of animals-goats, cows, sheep, buffaloes and camels-moving amiably along in search of the next watering hole. It seems counter-intuitive that areas with such low rainfall should provide neighbouring states with meat and milk. IWMI (the International Water Management Institute) has done unique research to show how there is a massive export of virtual water from dry regions to wet through the sale of these products, leaving open some interesting questions on policy.

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