As the mistake was performed by the god Indra, he grants Hanuman a wish that his body will be as solid as Indra's Vajra, Which his Vajra also can not hurt him. In addition to Indra other gods have also granted him needs: the God Agni granted Hanuman a wish https://manuelhoicv.shotblogs.com/not-known-factual-statements-about-hanuman-51008845