As the mistake was accomplished via the god Indra, he grants Hanuman a want that his system can be as strong as Indra's Vajra, Which his Vajra can also not damage him. In addition to Indra other gods have also granted him wishes: the God Agni granted Hanuman a wish https://messiahmaqet.bloggactif.com/38437321/not-known-details-about-hanuman