Punishment is that by which righteousness is maintained. He is sometimes called Vyavahara. Punishment is called as such so that the righteousness of a king who is wide awake may not suffer extinction.
धर्मस्याख्या महाराज व्यवहार इतीष्यते। तस्य लोपः कथं न स्याल्लोकेष्ववहितात्मनः॥