सप्तैतान् संस्मरेन्नित्यं मार्कण्डेयमथाष्टमम्। As the mistake was carried out through the god Indra, he grants Hanuman a wish that his physique could well be as robust as Indra's Vajra, Which his Vajra can also not harm him. Coupled with Indra other gods have also granted him wishes: the God https://www.youtube.com/watch?v=ufkmD95y7fE