The concept of diplomatic immunity can be found in ancient Indian epics like Ramayana (between 3000 and 2000 BC) (traditional Hindu dating: over 100,000 years ago) and Mahabharata (around 4th century BC; traditional Hindu dating: 3000 BC), where messengers and diplomats were given immunity from capital punishment. In Ramayana, when the demon king Ravana ordered the killing of Hanuman, Ravana 's younger brother Vibhishana pointed out that messengers or diplomats should not be killed, as per ancient practices.
who has been called as diplomate in ancient india
Hanuman