for the assistant professor of Physics with 10 yrs experience what is the most preferable degree to achive further other than ph.D./Mphil?

Hi Sarveshwar, Well as you must be a masters degree holder and having 10yrs experience by now as the Assistant professor, I think you can go ahead with the UGC NET. To know about the UGC NET, refer to the following link: https://www.shiksha.com/getArticleDetail/209/Teaching-Study-And-Training-Nati

net conducted by ugc -csir is more preferable for such jobs