thnx @Opus 17 for sharing this :
"If you included form 8606 with your 2020 tax return, it should be included as part of your 2020 tax return transcript."
I read it "because reporting a non-deductible contribution will not change your overall tax, you can file form 8606 by itself"
is it fine if I file 8606 form only? and I need to file https://www.irs.gov/forms-pubs/about-form-1040x also?
Still I don't know how I missed to fill form 8606 in first place itself. its miss from my side or from HR Block software side :(
