The total utilisable water resource in India is only ____________.

Correct option is D

Introduction
The total annual utilisable water resource in India, which includes both surface and ground water resources that can be mobilized for various uses, is officially estimated to be around 1122 cubic km. This figure is a critical benchmark used for water resource planning and management in the country.
Information Booster
· Definition: This figure represents the total quantity of water (surface water and groundwater) that can be harnessed and used for consumption, irrigation, and industry.
· Official Estimate: The figure of 1122 cubic km is the accepted value for India's total annual utilisable water resource.
· Breakdown: This resource is typically split into utilisable surface water and replenishable groundwater.
· Significance: This number highlights the scarcity of water resources in relation to India's vast population and increasing demand.
· Challenge: The major challenge for India is not just the volume of water but also the regional and temporal distribution of this resource.
Additional Points
· 1052 cubic km, 1152 cubic km, and 1022 cubic km are numerically incorrect values for the total utilisable water resource in India based on the accepted official estimate.