BDS

Pursuing MD in Canada or USA will launch you into a luxury career, so that would be the best option. If you are interested in further studies in your related field or MBA in hospital management, it can be a good option too, but you may face a lot of competition from management students and http://www.timesjobs.com/candidate/careerresources/htmls/clinical_research.jsp that link will help you with clinical research and it's benefits in future.

Hi Smriti,
Though it is your personal choice but BDS would be a better choice since it's a technical course and Zoology, on the other hand, is an academic course. The job opportunities are also better after completing BDS course.

Hi, there are many , popular options include Graduate Diploma or MS in Dentistry, Clinical Dentistry, Forensic Odontology, Dental Health etc.You will find more course options on visiting university websites.

After your Bachelor's degree, you can apply for the civil exam. There is online registration for civil exams.

For admission in Australia, you need to clear IELTS or TOEFL which is an English proficiency test for the forensic major. BDS is a good degree don't waste it and practice dentistry.

After completing BDS which is 4 Years of Degree followed by 1 year of internship, there are various career opportunities and higher studies option.
After BDS you can join any Dental Institute as a Lecturer/Tutor. Though the majority of Institutes will prefer MDS/MD/MS candidates for lectureship, some colleges prefer Bachelor candidates also provided you have enough capabilities and the knowledge of the subject field.

Hi Satyam, please check the website of the Norwegian Directorate of Health for information, you must pass the medical licensing exam to qualify as a practitioner.