In order to get admission for Merchant Navy you need to appear the entrance exam like IMU CET conducted by Indian Maritime University, JEE Advance, CUSAT CAT etc. You can check the eligibility of the exams with given below links.
IMU CET Eligibility
CUSAT CAT Eligibility
JEE Advance Eligibility
Top institute for Merchant Navy you can prefer:
Marine Engineering and Research Institute, MERI Kolkata Marine Engineering and Research Institute, MERI Mumbai Lal Bahadur Shastri College of Advanced Maritime Studies and Research, Mumbai T.S. Chanakya, Mumbai National Maritime Academy, Chennai Indian Institute of Port Management, Kolkata
Good Luck!
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