The PhD course duration in India typically ranges from 3 to 6 years, depending on the subject, research complexity, and university norms. For full-time candidates, the PhD course duration is often around 3 to 5 years, including coursework, research, and thesis submission. Part-time PhD scholars, especially working professionals, may take longer due to extended research timelines. The ... https://www.aimlay.com/phd-course-duration-india-usa-us-iit/