As the error was carried out with the god Indra, he grants Hanuman a desire that his body can be as powerful as Indra's Vajra, Which his Vajra may not harm him. Along with Indra other gods have also granted him wishes: the God Agni granted Hanuman a would like https://laxmi14678.blogspothub.com/36042589/considerations-to-know-about-hanuman