Final answer:
The most serious consequences of the India-Pakistan partition were mass displacement, loss of lives, and the continuing conflict over Kashmir.
Step-by-step explanation:
The most serious consequences of the India-Pakistan partition were the displacement of millions of people, the loss of lives during the migration and refugee chaos, and the ongoing conflict over the disputed territory of Kashmir.
The partition created two separate nations, India with a Hindu majority and Muslim-majority Pakistan, which led to mass migration as people moved to join the nation that matched their religion. This resulted in the displacement of 12 million people and millions of deaths during the chaotic migration process.
The arbitrary drawing of borders, including the disputed region of Kashmir, continues to cause tensions between India and Pakistan. Both countries are nuclear powers, and this unresolved conflict poses a risk to regional and global peace.