As the error was done by the god Indra, he grants Hanuman a want that his body would be as potent as Indra's Vajra, Which his Vajra could also not hurt him. Together with Indra other gods have also granted him wishes: the God Agni granted Hanuman a wish that https://bizpromonook.blogspot.com/2024/08/the-significance-of-hanuman-jayanti.html