India

Hi Danish,B.Sc in Microbiology is a 3- year long, full- time course divided into 6 semesters, with each semester lasting for a period of 6 months. Microbiology has emerged as a key biological Science, since microorganisms provide the model used in molecular biology for research purposes. For admission to the course, most institutes and universities in the country follow a merit- based admission process. Marks scored by applicants at the Higher Secondary level and/ or relevant entrance test are taken into consideration. Seats are accordingly allotted to deserving candidates.
Eligibility for B.Sc in Microbiology:
Interested aspirants for B.Sc. Microbiology degree need to fulfil the below-mentioned eligibility criteria.
1. Completion of Higher Secondary (10+2) level of education
2. Physics, Chemistry and Biology as main subjects at HSC level
3. Minimum aggregate score of 60% at the level
4. Instead of Biology, one may even have had Zoology or Botany as one of the main subjects of study
https://www.shiksha.com/science/colleges/microbiology-colleges-Delhi-ncr.

The IITM Group of institutions has been taking bigger strides towards the empowerment of students seeking a successful career. Indraprastha Institute of Technology and Management (IITM) was set-up in 2002 and started making impactful inroads into the education domain. It ranks among the select Institutes that are continually striving to accomplish the mission- to develop a skilled human resource for industry and business by offering value-based quality education.
At IITM, we do not let monotony creep into our resources as we keep updating them consistently in order to enhance and increase the opportunities for the students. We foster an inter-disciplinary environment to groom our students and give them the wherewithal to develop integrative skills.

Dear Lakshay, there are many courses that you can opt for after class 12th. B.Tech is all time favorite, but then life doesn't stop here only. You have various other good options available.
If you are interested in pursuing a course in science, you can go for various B.Sc like Physics, Chemistry, Maths etc. Other than these, you have specialized ones like Biotechnology, Biochemistry, Microbiology, Forensic, Agriculture, Food technology, Computer Science, etc. Apart from these you have honors courses too. You can also go for paramedical courses like Pharmacy, Ayurveda, etc.
Other than science stream, you can have a career in Journalism, Film and TV production, Management, Hotel Management, Fine Arts, Performing Arts, Physical Education, Yoga, etc too.
There are many reputed universities like Lovely Professional University, VIT University, SRM University, etc that are offering a wide variety of courses to choose from. Some of the universities offer good scholarships too.
Check some of these universities for more details.
Good luck.