Watch the making of 'Birju' video song from the movie 'Hey Bro' exclusively on T-series. <br /> <br />SONG: BIRJU <br />SINGER: UDIT NARAYAN, MIKA SINGH, RAP: ARYA, NAEZY <br />MUSIC DIRECTOR: NITZ ‘N’ SONY <br />LYRICS: PRANAV VATSA <br />MUSIC ON T-SERIES
