To apply for doctoral studies, you must meet the PhD eligibility criteria set by the university or research institution. The general PhD eligibility criteria include a postgraduate degree with a minimum of 55% marks and a qualifying score in an entrance exam. Some institutions may require interviews or research proposals. The PhD eligibility criteria may vary based on the subject, spe... https://www.aimlay.com/how-to-apply-for-a-phd-in-india