can a BDS graduate study MD psychiatry in India, if so what is the qualifying exam to join

In order to pursue MD Psychiatry, one needs to be an MBBS graduate. An MBBS graduate, by appearing in entrance exams like NEET/NEXT PG or INI-CET , can get himself/herself admitted to MD Psychiatry (on the basis of merit).

A BDS graduate can opt for these following courses -

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• Master of Dental Surgery in Paediatric Dentistry
• Master of Dental Surgery in Community Dentistry
• Master of Dental Surgery in Radiology and  Oral Medicine
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Still, if you are interested in psychology related course, you be a Psychologist by completing BSc and MSc courses in Psychology.

To know more about Psychology courses, you can visit the link - Psychology Courses, Subjects, Colleges, Syllabus, Scope, Fees, Eligibility (careers360.com)

Yes, you can do MD in Psychiatry after successful completion of BDS.

Anyone of the qualifications ( M.B.B.S/ BDS/ BAMS/ BHMS/ DHMS) are eligible

To become a psychiatrist, you have to complete a bachelor degree followed by specializing in psychiatry. You can also pursue a master's course in psychiatry or a diploma course. Beside master & diploma course, the National Board of Examinations organizes a course which is known as the Diploma of National Board Exam (DNB).