Hanuman gada astra mantra, hanuman gives power, courage, physical strength, removes all difficulties, this is a very powerful astra of god hanuman, keep idol of hanuman, sit in north direction, and light a lamp of oil, offer fruits if possible.
OM KHAM THAH PHAM SHAM GAADAYE PUSHTAYE NAMAHA
OM KHAM THAH PHAM SHAM GAADAYE PUSHTAYE NAMAHA