Marine Engineering

To start your career in merchant navy, you have two different options and then they further get divided into more options, so mainly those two options you have (if you wish to join after 12) is either study as usual in naval science college and get placed in any shipping company in placements (B.Tech marine engineering, B.Sc nautical science) or from start itself, get hired by any company, gain sponsorship and get trained by them in their respective academies and join their ships at the post of Deck Cadet.
For any of these options you will have to clear a all India test conducted by Shipping Corporation of India, which is commonly called IMUCET, (Indian maritime university common entrance test), clearing this you will have either go to your company's academy or the basic Indian maritime universities (which comprises the first option I told you), after clearing this test, which is called the merchant navy test, you can start your career in either of the 2 options.

To join marine engineering course you must have the following requirements:-
Education qualification:- Pass in the 10+2/equivalent examinations with physics, chemistry, and maths with minimum of 60%(it may vary depending on caste and the college you opt) in PCM taken together.
Age Limit:- The upper age limit is 20 years (25 years for ST/ST).
Physical standards:- You must be physically fit in all respect with no history of severe disease.
Eye sight:- The minimum acceptable eyesight is +2.5 or -2.5(Must not exceed this).
The medical standards are according to the norms of D.G Shipping. For seeking admission in any college you have to take the certification from any D.G Shipping approved doctor.
For more details please visit the website of D.G Shipping.

There are many colleges in India which have placement services for B.Sc courses in nautical science. Some of the top colleges which offer placements for a course in nautical science are as follows:
List of top colleges for B.Sc nautical science in south India:
AMET University (Academy of Maritime Education and Training), Tamil Nadu
Coimbatore Marine College (CMC), Tamil Nadu
Hindustan Institute of Maritime Training, Chennai
International Maritime Academy (Manonmaniam Sundaranar University), Tamil Nadu
Maharashtra Academy of Naval Education and Training (University of Pune)
Nipm,Chennai, Indian Maritime University
School of Maritime Studies, Vels University, Tamil Nadu
T S Chanakya,Indian Maritime University, Maharastra

There are numerous of career or job opportunities in government and the private sector. Aspirants can go for entrepreneurship or self-employed in their own fisheries-related business. You can see that in every state or country, the government has fisheries department in which you can apply for various posts. Aspirants can also do jobs in central government agencies like Marine Product Export Development Authority (MPEDA), Fisheries Survey of India (FSI), NIO, WHO, and many others. Degree holders can apply for research projects or can do further study. Candidates can find the number of job opportunities in institutions, banks, fishing/oceans and in foreign countries.
Top colleges from where you can pursue a B.Sc in Marine biology are as follows:
1) Cochin University of Science and TechnologySchool of Marine Sciences
2) CUSAT
3) Kochi (Ernakulam) 682016
4) Pondicherry University
5) University of Kerala
6) Annamalai University
7) Karnataka University
8) Veer Narmad South Gujarat University
9) Udhna Magdalla Road
10) Vikrama Simhapuri University
11) College of Science & Technology
12) Berhampur University