PhD or Doctor of Philosophy is a doctoral degree with an academic focus. A PhD course is usually of 3 years duration(Full Time) or 4 years duration(Part Time).
In a PhD course, aspirants need to select a topic or a subject and do in-depth research on it and answer any queries related to the topic/ subject.
The course can be undertaken right after passing Masters/PG Degree in any stream in India.
The specialization chosen by the student determines the type of industry an individual will be working in. The average salary for a PhD is INR 12 to 25 Lakh Per Year.
Universities and other Govt and Private Companies.