But when Vāyu disappeared the people today on earth were not capable of breathe. At the ask for of the gods, Brahmā entered the cave and healed Hanumān's wounds. Another gods also blessed Hanumān and conferred on him various boons, together with eloquence of expression. Due to his injuries, https://www.youtube.com/watch?v=6cAOQp6Twlc&t=7s