As the error was completed because of the god Indra, he grants Hanuman a wish that his entire body might be as robust as Indra's Vajra, Which his Vajra might also not hurt him. In conjunction with Indra other gods have also granted him needs: the God Agni granted Hanuman https://vashikarantotke59888.dgbloggers.com/37554773/fascination-about-hanuman