<span>India, Pakistan, and Bangladesh.
HOPE THIS HELPS!</span>
Merits and demerits is that merits are the strengths of anything be it a policy,law, agreement, action. They show what benefits it has and how it can be gainfully used. Demerits on the other hand are the weaknesses of anything.
They will have force of attraction.
Perhaps this sentence could show how these two words are related:
The duty of a police officer is to stop criminal offenders from smuggling, among other things.