M.Sc

As per your choices. That you have mentioned here, the best option is to do B.Tech and M.Tech and then MS as after completing MS from abroad. You will have a plenty of options and can have a very comfortable life ahead.

Yes, you can do M.Sc after completing B.Sc in general without taking any honors subjects. You can apply for any one of the subject, which you have opted for B.Sc. But, subject should be of your interest. Best wishes.

Hi Ayush, There is a growing demand for chemical engineers in Sweden, the country is very active towards environmental friendly processes and chemical engineering graduates may find themselves in environmental sustainability sectors and roles. You can also check the country's leading job portals and learn about demands and growth. Overall the sector is very diverse. The monthly expenditure while you are studying can be around SEK 8,500 not including tuition fees. Sweden is otherwise is an expensive country particularly accommodation.

Hi,
There are many pathways for foreign-trained graduates. It is difficult to mention all the details here but read these guides
http://www.jdentaled.org/content/78/11/1489
https://www.healthcareers.nhs.uk/explore-roles/doctors/roles-doctors/surgery/oral-and-maxillofacial-surgery/entry-requirements-skills-and-interests
Visit the country specific dental board websites for licensure exams and more details.

Yes, you can go for M.Sc. (Computer Science) after your bachelors in physics. It will be of 2 years. Eligibility forM.Sc. (Computer Science) in most of the top universities is pass with 50% aggregate marks in Bachelors degree.
Main aim of the degree is to strengthen and brewing the innovative power of doing by yourself approach. It is designed for learners intend to construct strong basic understanding in the field of Computer Science.
Hope this helps you.
All the best for ur bright future!!!

Yes, of course, you can apply in UGC NET for M.Sc. Biotechnology. All graduates in Science are eligible for UGC NET exam.

M.Sc Economics has more chances of getting you a job than M.A. Economics. Usually, both have same course structure but the employer will always give preference to M.Sc. Students.