Dear Kruthik,

There is as such no college in Bangalore for marine engineering.

You can check below top colleges for marine engineering

Andhra University College of Engineering, Visakhapatnam

Maulana Abul Kalam Azad University of Technology, Kolkata

Cochin University of Science and Technology, Kochi Ernakulam, Kerala

CV Raman College of Engineering, Bhubaneswar

Shivaji University, Kolhapur

Indian Maritime University, Chennai

Sri Venkateswara College of Engineering, Sriperumbudur

To check the complete list you can refer below link

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f%5B0%5D=sm_college_course_level%3AUG&f%5B1%5D=sm_college_degree%3AB.E%20/Btech&f%5B2%5D=sm_course_offered%3AMarine%20Engineering

In order to take admission you have to appear for entrance exams of engineering.

You can check the details from the given below link

https://engineering.careers360.com/exams

Good Luck!!