Dear Aditya,

In order to take admission in the colleges which provides Marine engineering you can appear in JEE Main and your state level entrance exam.

You can check the list of the colleges below

CV Raman College of Engineering, Bhubaneswar

Vels University, Chennai

Indian Maritime University, Chennai

Sri Venkateswara College of Engineering, Sriperumbudur

Chandigarh College of Engineering and Technology, Chandigarh

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

Good Luck!!