The duration of a PhD course varies depending on the country, university, and field of study, but typically ranges from 3 to 6 years. Most full-time PhD programs require students to complete coursework, conduct original research, and write a dissertation. In many countries, the average time to finish a PhD is about 4 to 5 years. Part-time or distance PhD programs can take longer, some... https://www.aimlay.com/phd-degree-in-india/