Dear Ken,
The article is very vague, to say the least. It seems that his research is in his thesis, which can be downloaded here:

https://www.cam.ac.uk/system/files/rajpopat_phd_thesis_15_dec_2022.pdf

I haven't read it yet (obviously :)) but let's see.

Best,
Nataliya 

On Thu, Dec 15, 2022 at 3:13 AM Kenneth Gregory Zysk via INDOLOGY <indology@list.indology.info> wrote: