Hello,

The answer to your query is Yes you can submit the digitally signed OBC certificate for JOSAA counselling. Due to the ongoing pandemic most of the government documents are issued online and it has digital certification on it and this is being accepted in almost all colleges and institutions. As long as the format is correct you can submit the certificate online for JOSAA.

However, it is suggested for you to have the hard copy of it so that you don't have any problems during the time of document verification. For further details you can refer to the link below

https://engineering.careers360.com/articles/josaa-counselling