Science

GRE Exam is not mandatory for seeking admission in MS in German Universities. However, some universities one of the eligibility criteria is GRE score. Few universities also use GATE score for MS admission.

Please refer to the link mentioned below for a list of top colleges in North-east India which offer courses in B.Sc. Nursing. You should be able to navigate to a college of your choice using the filters on the web page. There are many colleges in the north-east where you can pursue B.Sc. courses in Nursing.
https://www.shiksha.com/nursing/colleges/colleges-india

There are many choices available to a student after he/she graduates from B.Sc. Different courses one can pursue after completing their B.Sc. are as follows:
1) MBA
2) M.Sc.
3) MCA
4) MS
5) UPSC
6) CDS exam (for Defence services)
Course which you want to pursue depends entirely on your interests. You could also take up a job instead, and gather some work experience before you go for higher studies (Masters).

You many options to choose.
BHM
BCA
B.Com
BBA
These could be some courses which you can pursue after 12th commerce.

Please refer to the link provided below for a list of top colleges in India which offer courses in B.Sc. Nursing. You should be able to navigate to a college of your choice using the filters on the web page. There are many colleges in the north-east where you can pursue B.Sc. courses in Nursing.
https://www.shiksha.com/nursing/colleges/colleges-india

Please refer to the link provided below for details on top colleges in Bangalore where you can pursue M.Sc. in Microbiology through distance mode. Please download their brochures for further details like fee structures, eligibility criteria and scholarships awarded.
https://www.shiksha.com/science/colleges/m-sc-microbiology-colleges-bangalore

You can take admission in Bachelor courses after passing your 12th class with PCB subjects. Some colleges consider 50% marks in PCB subjects. Few universities organize their own entrance exams for screening candidates for admissions, and consider a combined score of 10+2 level marks and entrance exam marks.

If your acedmics record is excellent and you score well in GRE and TOFEL/ ILETS you stand very high chances of getting admission in MS Civil Engineering in a foreign university.

B.Sc in Medical Laboratory Technology program aims to provide efficient and balanced training in laboratory medicine. Eligibility for admission in B.Sc MLT is that the candidate must have passed 10+2, A Level, IB, American 12th Grade or equivalent with Physics, Chemistry, English and Biology with a minimum of 50% marks taken together in Physics, Chemistry and Biology. Unfortunately you are not eligible for B.Sc MLT in majority of universities.

Hello! https://www.shiksha.com/mba/articles/20-mba-entrance-exams-you-can-take-this-year-blogId-11473 Kindly visit this link to know about the syllabus of the various MBA entrance exams.