The food-water-energy nexus can be evaluated in the two-way interactions between water-food, water-energy and food-energy . The water-energy nexus includes water for energy and energy for water , the water-food nexus includes water for food and the impact of food production on water  and the energy-food nexus includes energy consumption for food production and food crops for biofuel production . The food-water-energy-land nexus has diverse implications at the sub-regional level in Asia. The increase in the water-supply gap raises questions about the sustainability of the main mode of electricity generation in South Asia. Thermal power generation and hydropower generation are both threatened by water shortages in South Asia . Furthermore, policy-mismatch-driven anthropogenic causes lead to unsustainable water use for food production in India. For example, subsidised electricity supply for watering agriculture plays a key role in losing groundwater's buffer capacity against the various changes including climate variabilities . In the Mekong River basin of Southeast Asia, massive and rapid export-oriented
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