As The mistake was performed because of the god Indra, he grants Hanuman a wish that his overall body could well be as solid as Indra's Vajra, Which his Vajra also can not damage him. In addition to Indra other gods have also granted him wishes: the God Agni granted https://panchmukhihanumantemplenearme.blogspot.com/2025/01/hanuman-mandirs-centers-of-devotion-and.html