BDS course is focused on training students with knowledge and skills related to general dental practices to treat, prevent and diagnose oral diseases. Some colleges offer internships as a part of the course. It is an undergraduate course in the field of dentistry. This course helps an aspirant to become a dentist. The duration of BDS degree ranges from 3 years to 5 years. The course can be pursued either in full time mode or in part time mode through correspondence. India has about 300 dental colleges offering BDS course.