About bajrang baan
As the error was performed with the god Indra, he grants Hanuman a wish that his system would be as potent as Indra's Vajra, Which his Vajra can also not harm him. In conjunction with Indra other gods have also granted him needs: the God Agni granted Hanuman a wish that fire will not harm him; God Varuna granted a wish for Hanuman that water will n