Science

This is a great career opportunity. Biotechnology industry will rise in the coming future in India, and so you would enjoy extreme speed and growth in career. Right now the scope is better in foreign countries and you should try there for best career growth and performance and earnings. In India, the packages wouldn't be that high. 2nd point, it is generally known that any graduate from any stream from IITK would be earning INR. 10-20 lacS pa, but for exact information go to its website in the placement cell option and see its placements.

The fee structure of this university for B.Sc is INR. 6,250 per year for 3 years.

Hi,
Kindly predict your college in this college predictor. JEE Mains rank predictor is an online tool which predicts the candidates rank range and probable colleges based on the difficulty level of the examination, average marks scored in JEE Mains and seats available in IITs, NITs, GFTIs, and other SFTIs. The rank predicted might not be accurate but it certainly does give an idea to the aspirant. Know your college admission chances based on your JEE Main Rank, Home State, Caste, Gender, etc. here:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

No, you are not eligible as your 12th percentage is less as compared to eligibility.

Yes, you will definitely get the admission. Firstly, you have to clear the exam of IIT JAM (M.Sc.).

You may get it in the special round or in the last round of JoSSA.