B.Sc

Yes, B.Sc in computer science has bright career. But, B.Sc is not that much sufficient for computer science. You can get a job through B.Sc degree, but if you have more knowledge in coding , ethical hacking ,software developing then you will have a bright future, so I think you should do M.Sc in CS. In CS, your imagination is more important than book theory.

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).

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

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.

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.

Distinction is awarded to students who do well in their academics, and score high marks in exams. Normally, the threshold for scoring a distinction is 75% but may vary from institute to institute. A distinction basically means you have a strong hold of the subjects studied in B.Sc. Even when you are applying for admission to institutes for your higher education, you are held in good stead and teachers and students look up to you. People get highly impressed if you tell them you are a distinction holder in your degree/Diploma. Apart from that many recruiters may give you preference over other candidates who are not distinction holders.

Please refer to the link mentioned below for a list of top colleges which offer courses in B.Sc. Physics in India. With your kind of marks, it should not be difficult to score on a college of your choice. Moreover, few colleges conduct B.Sc. entrance tests and grant admission based on marks on 10+2 levels and marks scored in entrance exams.
https://www.shiksha.com/science/articles/top-10-bsc-msc-colleges-in-india-blogId-13473