Science

Please download the online brochures of different colleges to get an idea of the last application dates for a course in M.Sc. from the link mentioned below:
https://www.shiksha.com/science/colleges/m-sc-colleges-india

Please refer to the link provided below for a detailed list of colleges offering a course in B.Sc (Chemistry). Fee structure of different colleges are mentioned in the list:
https://www.shiksha.com/science/colleges/b-sc-chemistry-colleges-india

Yes, you can opt for M.Sc. astrophysics after completing B.Sc. in physics, electronics and maths.

Hello Rama,
Yes, you can apply for State/Government jobs as SMUDE is a recognized university/college. Your category does matter, as that is a separate issue which helps you in the reservation.

Please refer to the link provided below for a list of colleges offering B.Sc. in Microbiology in Kerala. Please download the brochure to get details on eligibility for correspondence courses in B.Sc (Microbiology):
https://www.shiksha.com/science/colleges/b-sc-colleges-kerala

If you were unable to clear maths and physics, it would only make sense to re-appear for the examinations and try to clear them in your second attempt. Your chances only depend on the level of preparation in the two subjects. Take help from your fellow students and study as much as you can to improve your chances to clear the subjects.

If your interests lie in the aviation industry, it is most definitely a good choice to get involved with the aviation industry. Please refer to the link provided below for a list of popular aviation courses in India:
https://www.shiksha.com/aviation/colleges/colleges-india

IIMT University, Meerut is best for B.Sc. Biotechnology.