Generally, the time of Ph.D. depends on the type of the students whether the student is performing the full-time study or the part-time study. For a full-time student, the duration is within three years to four years. On the other hand for a part-time student, the duration can be six years or more than that.
<a href="https://learntechit.com/full-form-of-phd/">PHD FULL FORM</a>
Salary of PHD student
There are so many informative article. You can watch it.
<a href="https://learntechit.com/full-form-of-phd/">PHD FULL FORM</a>
Salary of PHD student
There are so many informative article. You can watch it.