As per the information available online, there are no colleges in Kerala offering the course of BSc Marine Biology. On searching there is only one colleges in Odisha offering the course of BSc Marine Biology & the name of the college is Gopalpur College, Berhampur .

In most cases, the course of Marine Biology is provided in the MSc level in India as a result, the institute number are less.

For more information regarding Marine Biology  you can consider the link below:

https://www.careers360.com/courses/marine-biology-course

I hope this answer helps. Wish you a great eve!