As the error was carried out because of the god Indra, he grants Hanuman a want that his body can be as sturdy as Indra's Vajra, and that his Vajra might also not harm him. Along with Indra other gods have also granted him wishes: the God Agni granted Hanuman https://knoxgzksc.get-blogging.com/37513619/the-best-side-of-hanuman