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Geography Optional 300+ Score Pack · Model answer

Account for the geographical distribution of groundwater resources of India. How serious is its depletion in recent decades?

  • UPSC 2015
  • Resources

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Groundwater occurrence is controlled by porosity and permeability, which in India are set by lithology, not by rainfall alone — the reason the wettest tracts are often the poorest aquifers.

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Why the distribution is what it is
  • The alluvial province
  • The hard-rock province
  • The intermediate and problem tracts
  • How serious is the depletion
  • The measured picture
  • …and 2 more sections, with a conclusion
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