Here’s a beautiful guitar chords lesson for Resham Firiri, video by NepaliEChords.
The chords are D/A/Bm/Em. You can also check out his other guitar lessons and videos at Nepali E-Chords youtube channel.
While I couldn’t find paino notes for the same song, you can check out this video which has Resham Firiri played on Melodion.
Stay tuned, the actual notes for the song will be updated when available.
Check this post for the lyrics, meaning and translation of the song.