As the mistake was done from the god Indra, he grants Hanuman a wish that his human body will be as sturdy as Indra's Vajra, and that his Vajra may also not harm him. As well as Indra other gods have also granted him wishes: the God Agni granted Hanuman https://hanumanmandiradelaide.art.blog/2025/03/18/hanuman-mandir-adelaide-a-divine-haven-for-devotees/