Conversion from old scheme to new scheme

I registered to CA IPCC under direct entry scheme in 2014, after that I converted to INTERMEDIATE (DIRECTE Entry )scheme and passed Group 1 in 2019.

now I need to convert new scheme 2023, In conversion application I need upload Photo, Signature and Previous Cource Marksheet.

which Marksheet I have to upload here, whether Group 1 Markssheet or Graduation Marksheet.

I have not received Group 1 Marksheet from the institute, how can I get Group 1 Marksheet. in case it is needed.

if anyone know the process, please guide me