To jam and learn Sunil Edirisinghe, Rathna Sri Wijesinghe, Rohana Weerasinghe - Chandra Mandale chords, your primary focus should be mastering these chords sequence: C, G, C, Bb, C, Ab, C, F, C, G and Ab. I suggest starting at a calm pace of 77 BPM, and as you gain confidence, approach the song's BPM of 154. Configure the capo to your vocal range and chord preference, remembering the key of C Minor.