As the mistake was completed through the god Indra, he grants Hanuman a want that his entire body could be as robust as Indra's Vajra, and that his Vajra may also not harm him. As well as Indra other gods have also granted him needs: the God Agni granted Hanuman https://freekundli18468.blogoscience.com/43338070/the-fact-about-hanuman-that-no-one-is-suggesting