Science

Hi Akash, please find a list of colleges here
Biotechnology:
https://www.shiksha.com/search/?q=Biotechnology&sp[]=63&sa=^0^0^63^0^0^0^0^0^0^0^0^0^sp:63&rf=searchwidget&pn=1&sscs=1&tk=biotechnolo&ii=1&s[]=11&tscs=1
Marine Science and Engineering:
https://www.shiksha.com/search/?q=Marine+Engineering&sp[]=316&sa=1^0^0^0^316^0^0^0^0^0^0^0^0^0^sp:316&rf=searchwidget&ct[]=1&pn=1&sscs=1&tk=marine+engineer&ii=1&s[]=2&tscs=1
Please check individual college websites for eligibility and cut-offs.

Check the list of all B.Sc. In Mathematics colleges/institutes in India listed on Shiksha at the link provided below. Get all information related to admissions, fees, courses, placements, reviews & more on B.Sc. In Mathematics colleges in India to help you decide which college you should be targeting for B.Sc. In Mathematics admissions in India. https://www.shiksha.com/science/colleges/b-sc-mathematics-colleges-india.

Admission to this course is through counselling based on the merit list prepared considering marks obtained in the entrance exam conducted by ICAR AIEEA/ State government, graduation marks, 10+2 and class 10th merit.
Selection parameters and weightage
Entrance exam - 40% weightage
Graduation - 40% weightage
10+2- 10% weightage
10th- 10% weightage
Interested candidates can apply online/ offline with required information. Regards.

Hi Yashika, you shall first apply for Kapil Dev scholarship test, you can avail upto 1 lakh of scholarship which will be paid by KD foundation to UEI global. For proper career counseling please visit Plot No-823C, Bhamburda, Nr Corporation Bus Stand, Shivaji Nagar, Pune - 411005

Hello Vamsi,
I have listed rank-wise best colleges for your consideration: Sri Ramachandra Medical College Chennai,
SRM University Katankullathur,
University of Calicut,
Manipal Academy,
Chettinad University CARE Kanchipuram,
Mahatma Gandhi Medical College, Puducherry,
ITM University Gwalior.
Mentioned colleges conduct their own examination for admission. All the best for your future.

Yes you are eligible. Candidate must hold a Bachelor's Degree from any of the recognised universities Candidates who have appeared for the qualifying examination and are awaiting results or those who are yet to appear for the qualifying examination are also eligible for the Preliminary Examination. Such candidates have to produce proof of passing the said examination along with the application for the Main. Examination Candidates with professional and technical qualifications recognised by the Government or its equivalent are also eligible to apply.