B.Sc

It is around 1.5-2.5k per year

There are many colleges for B.Sc and B.C.A in Chennai we can list some top colleges for your better understanding. It's you choice which to select there some list of colleges
BCA colleges in Chennai
1. Loyola College, Chennai
2. Womens's Cristian College, Chennai
3. Presidency College, Chennai
4. Stella Maris College, Chennai
B. S. C college in Chennai
1. Guru Nanak College, Chennai
2. Loyola College, Chennai
Note:-Student should get minimum aggregate of 50% in class 12th.

There are many Institutes and colleges of B. S. S in Medical Science there some similar colleges of your suggestions
1.Chandigarh University, Chandigarh.
2.University Of Mumbai [MU] Fort, Mumbai
3.DAV College, Chandigarh Chandigarh

To get in Bsc course Fergusson college in pune you have to score atleast 85+ percent,and the 1st list is generally above 90
And the cutoff list of this year is not available on website ,so you have to go to college and check it.

To pursue MCA from Chandigarh University is the best decision. MCA duration is for 2 years, the university is a renowned name and has bagged A+ by NAAC, the university the ranked as top 3rd private university. Chandigarh University offers MCA courses in General, Cloud Computing, Artificial Intelligence, and Machine Learning. Whereas the university offers varied online and distance learning courses too. Chandigarh University is renowned and has experienced faculty members. University has a great infrastructure and lush green campus equipped with all the facilities.

It's been around 270 marks and above

Various colleges have various fees structures. You have to be specific about your preference

I would like to suggest that you enroll in Chandigarh University for further education. The university in Chandigarh has a NAAC grade of A+. It is recognized as one of North India's Top-Rated & Leading Educational Institutions. You can enroll in advanced courses at Chandigarh University like B.Sc. In Hotel and Hospitality Management, B.Sc. In Nutrition & Dietetics, B.Sc. In Interior Design, and many others. According to the most recent QS World University Rankings 2023, Chandigarh University is one of the top three private universities in India and the youngest university in the world to make a strong showing in the rankings.

Total Course Fee for B.Sc. Is INR 49,083/-
Refer this link for more information- https://www.shiksha.com/college/lords-universal-college-goregaon-west-mumbai-63995/courses/bsc-bc.

Course Fee for B.Sc. Microbiology is INR 2680 for 1st year.