To learn Mithoon - Mere Humsafar chords, your practice should emphasize these chord progressions: Gm, Eb, F, Eb, F, Dm, Gm, F, Gm, Eb, Bb, Gm and F. I suggest starting at a calm pace of 45 BPM, and as you gain confidence, approach the song's BPM of 91. To match your vocal range and chord inclination, adjust the capo in line with the key: Bb Major.