The displacement of a billion Indians brings with it its own set of problems.
This is yet again a direct consequence of technology advances and government meddling that has created a down-the-line humanitarian crisis by propping up unsustainable behavior.
We will sadly have either a billion dead bodies, or the rest of the world incurring the cost to house an extra billion.
Was the British Empire was too lenient to their subjects?
India's population being what it is, is not surprising.