Hello Aspirant,
To join in merchant navy you need to have completed +2. If you have completed +2 or equivalent course such as Diploma then you can join in as a Deck Cadet.
You will be undergoing basic pre-sea training which will be arranged by the company in which you join. You need to study some courses in order to join in Merchant Navy.
You can apply for Diploma in Nautical Science for which the education qualification for this course is +2 or equivalent with P.C.M (Physics, Chemistry and Math) as compulsory subjects and you should have scored 50% in aggregate.
After completing the course you need to apply for the All India Merchant Navy Entrance Test (AIMNET) conducted by Bharat Shipping Limited to join in Merchant Navy. This exam is conducted mostly in the months of November - December.
I hope it helps.
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