There are many institutes and universities which offer PhD programs to aspirants who clear their exams. Generally such courses are recognized by the research and academic fraternity and also provide some financial assistance to the candidates as well as other research facilities during the tenure of the program. The entrance test can be theoretical and verbal; questions can be both objective and subjective and be expected from the subject of interest, its current developments and scope of research. For preparing for the entrance aspirants can refer to past years papers. Several institutes also provide coaching for PhD entrance.