As the error was carried out by the god Indra, he grants Hanuman a wish that his human body will be as potent as Indra's Vajra, Which his Vajra may not hurt him. As well as Indra other gods have also granted him wishes: the God Agni granted Hanuman a https://hanumanmandiradelaide.finance.blog/2024/06/14/discover-the-essence-of-hinduism-at-the-hanuman-mandir/