As the mistake was accomplished because of the god Indra, he grants Hanuman a wish that his body might be as robust as Indra's Vajra, Which his Vajra can also not harm him. As well as Indra other gods have also granted him wishes: the God Agni granted Hanuman a https://hindutemplesinadelaide.blogspot.com/2024/07/a-deeper-dive-into-hanuman-mandir.html