Dronacharya was castigated by Lord Krishna during the Mahabharata War for taking up arms in the Battle saying that Drona has lost the moral right of censuring either Yudhistra or the Pandavas for using the ploy of misinforming him of the death of his son Aswathama, which resulted in Drona's death.
Reason, Drona was a Brahmin.
He is empowered to teach warfare not actually fight, forsaking the duty of a Brahmin.
Lord Parashurama comes under fire for the same reason for bearing arms against the Kshatriya.
Yet there is community Brahmins that has taken up warfare as their profession , forsaking the Brahmin duties.
Mohayal Brahmins of Punjab, who trace their origins to the following seven Rishis/Gotras.
