I had completed my diploma in mechaical engg. i want to go in marine field, by not doing marine engg. So which course i must do & from where

You can join B.Sc. Nautical science which is a 3 year course or Higher national Diploma in marine engineering which is a 2 year course or advanced diploma in nautical science of 1 year duration. You can pursue any one of these courses from:- 1. AMET University, chennai www.ametuniv.ac.in 2. intern