Visit
https://sringeri.net/activities/propagation-of-sanatana-dharma/gita-gyana-yajna
Download the pdf , fill it up with your photo & send it by post to the address given in the form.
Form attached for your reference.
Normally they were examining 6 persons per week.
You shall get an invitation normally in 18 months.
Due to overwhelming response, from my batch onwards they have started examining 12 persons per week.
So likely to get an invitation a little early also.
Namaskarams