As you want to get the details that will you be able to join Merchant Navy in shipping line after Diploma in Electronics and Communication so here is the information of the same for you:

I want to tell you that minimum educational qualification to join Merchant Navy is that candidates must have passed class 12th from Science

So you can apply for the course

Firstly you have to apply at any institute of merchant navy and go for a course of your choice for 3 months

If you are a sponsored candidate then you will be given a privilege to attend your course at the institute or company which sponsored you

List of Merchant Navy Colleges in India which is as follows

Institute of Marine Education & Research Pvt Ltd
Srivenkateshwara College of Engineering
Praveenya Institute of Marine Engineering & Maritime Studies
C.V. Raman College of Engineering
LBS College of Advanced Maritime Studies
Samundra Institute of Maritime Studies
Tolani Maritime Institute
AMET University
Indian Maritime College
International Maritime Academy
College of Maritime Studies & Research
Marine Engineering & Research Institute