Which Indian state lies to the north of Manipur?

Nagaland
Assam
Mizoram
Arunachal Pradesh

The correct answer is Arunachal Pradesh.

Nagaland is to the east of Manipur.

Assam is to the west of Manipur.

Mizoram is to the south of Manipur.

Arunachal Pradesh is to the north of Manipur.