To learn Rahat Fateh Ali Khan, Abhijit Vaghani, Nusrat Fateh Ali Khan, Mujahid Mubarak Ali Khan, Rashmi Virag, Nusrat Fateh Ali Khan, Muhammad Iqbal Kausar - Halka Halka chords, focus on the sequence of these chords: D, Bm, G, D, Em, D, G, A and Bm. Set your pace at 57 BPM initially and then sync up with the song's BPM of 115. Tune your capo to accommodate your vocal range, referencing the song's key: D Major.
