Nursing

Just obtaining a degree in M.Sc. Is not sufficient to qualify to open a medical business. There are many other steps that need to be followed to open such a business, are mentioned below:
How to Start a Pharmacy Business:
1) Business Registration
2) Tax Registrations
3) Pharmacy License or Drug License
If you need further details regarding how to start a medicine business, let me know. Regards.

Nothing comes to you on it's own. You need to work hard for it. If you think it is easy to crack the entrance exam, you are wrong. But, it is not too difficult and can be cleared easily. Yes, there is merit based criteria, but the cut off is very high.

Interested candidates can apply online with the required information at the official website (Website: http://delhi.gov.in/wps/wcm/connect/doit_lnjp/LNJP/Home/ABCON/). Important application dates are mentioned at the college website. Download college brochure for further details.
Eligible candidates need to appear for the entrance test conducted by the Delhi University/competent authority. Admission is based on the marks obtained in the entrance test. Regards.

You need to take the entrance test to get admission. Refer to the link below for detailed information:
https://www.shiksha.com/nursing/course/msc-nursing-armed-forces-medical-college-afmc-wanowrie-pune-177654

B.Sc. Nursing admission is purely based on entrance exams held in between April-June. Candidates can fill the application form in both online and offline mode. To be eligible for this course candidate should pass 10+2 in Physics, Chemistry and Biology and he/she should be medically fit. You can apply for these entrance exams after you clear your class 12th exams. Regards.

If you want to become a nutritionist, B.Sc in Nutrition should be the viable option for you.
How to become registered dietitian in India?
Educational qualifications required: B.Sc. in Home Science (Food and Nutrition) or B.Sc. in Nutrition and Dietetics or other relevant B.Sc. course. After B.Sc., one must also complete M.Sc. or PG Diploma in Clinical Nutrition or Food & Nutrition.
After completing relevant B.Sc. and M.Sc. courses, one must go through 6 months long internship stint at any one of the many hospitals recognized by the IDA OR possess 2 years work experience at any multidisciplinary hospital as a dietician. Regards.