Hello prathik.
Marine Engineering is one of the most versatile Engineering field with a wide scope afterwards.The are alot of good marije engineering colleges in india including IITs.If you score good in JEE advance,you can get marime engineering branch in top IITs like IIT madras or kharagpur.If you're not able to qualify for advance,there are still good and famous Colleges like IMU chennai,Tolani maritime institute, Coimbatore marine college and many other.You can get further details at https://engineering.careers360.com/colleges/list-of-marine-engineering-colleges-in-india
Good Luck!