To learn Papon - Tomar Kotha chords, grasp the musical fabric of the song with this sequence - E, C#m, B, E, C#m, E, B, A and B of chords. I suggest starting at a calm pace of 65 BPM, and as you gain confidence, approach the song's BPM of 130. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: E Major.