To start learning Shahnaz Rahmatullah - Prothom Bangladesh Amar chords, centre your learning around these elemetal chords sequence: C, D, C, G, D, G, Am, Bm and G. I suggest starting at a calm pace of 52 BPM, and as you gain confidence, approach the song's BPM of 105. With an eye on the song's key G# Major, set the capo that best suits your vocal range.
