What one understands by the term PhD or doctorate in so and so subject. Is "PhD a training or eligibility criteria to become a university professor". No this is not true. The percentage of students join PhD is very less, and in fact not a very preferred option or the final step. Before proceeding into this issue further, we need to understand that a PhD is just not a degree. It is the training that is valuable than the actual "Dr." tag itself.
PhD is exactly the process and a system designed in such a way that the candidate would have to engage in to state of the art research. A suitable PhD program helps one to develop attributes that are essential to perform intensive and self-regulating research activities during the academic training under PhD And not only this, one can also build up a career in research on the foundation with such abilities. The addition of a PhD to a resume is two-fold: knowledge and skills. And any job can utilize either of these two folds in their career. One can opt for the PhD program according to their subjects from the under mentioned list.