The river is the border between Myanmar on the left and Mizoram (a state in India) on the right.

Vanlal's from Mizoram, right?

Yup. But he lives in another state, Meghalaya, now.

That's probably the Kolodyne river. These idiots, including a cousin, went down the river last year.

Vanlal has always been a Mizo from Meghalaya.

ok, but I was close, eh?

"Vanlal has always been a Mizo from Meghalaya" is trying to become a song in my head