Who can file a suit?

Who can file a suit? In a civil suit, the presence of both the plaintiff, who files the suit, and the defendant, who is sued, is necessary. In each case there are two categories; first one is the necessary party and the other is proper party.

In a civil suit, the presence of both the plaintiff, who files the suit, and the defendant, who is sued, is necessary. In each case there are two categories; first one is the necessary party and the other is proper party.