[SauronOfMordor]

but were India to CONQUER Pakistan, it might simplify our work significantly.

India may be able to conquer Pakistan (ie defeat/destroy its armed forces), but it will not be able to occupy/rule Pakistan. It would probably find itself having to ethnicly cleanse Kashmir and Pakistan by driving all the Muslims into Afghanistan or Iran

[Dog Gone]

150 million people is a lot to kill or put on boxcars. I don't see it.