India

Hi Amir,
There are numerous employment opportunities in this field. Candidates who have finished the basic course in merchant navy can easily get jobs through various consultants & placement agencies. Merchant navy fleet consist of cargo ships, tankers, bulk carriers, container ships, barge carrying ships, refrigerators ships, passenger ships as well as roll off/roll on ships. The possibility of finding employment in cargo ships is more as compared to the others.
Companies that run merchant ships need trained people who can maintain and operate the ships. Some of these companies are: Chevron and Mobil of USA, Wallem Ship Management of Hong Kong, Bibby Ship Management, d'Amico etc. India too has its shipping companies, such as the Shipping Corporation of India, Great Eastern Shipping and Chowgule Shipping.
In India, job opportunities are also available in both government and private shipping companies.
Merchant navy job profiles :-
Deck officer (navigation officer)
Electro-technical officer (ETO)
Engineer
Catering & hospitality crew (pursers, stewards, chef, housekeeper etc.)
Ratings - ratings are skilled seafarers who help all the officers with daily tasks

Hello Adarsh,
I understand and appreciate your interest in pursuing B.Tech in Agricultural Engineering from North India. To assist you in choosing the colleges to pursue the same, kindly refer to the link below for more information on the colleges:
https://goo.gl/McVo3C
Some of the higher studies options for the B.Tech graduates in agriculture are listed below.
Master of Technology in Agricultural Engineering
Master of Technology in Agricultural Process and Food Engineering
Master of Technology in Aqua Cultural Engineering
Master of Technology in Farm Machinery and Power Engineering
Master of Technology in Irrigation and Drainage Engineering
Master of Technology in Renewable Energy Engineering and Management
Master of Technology in Renewable Energy
Master of Technology in Soil and Water Conservation Engineering
Master of Technology in Food Engineering and Process Control
Master of Technology in Crop Production
Master of Engineering in Irrigation and Drainage Systems
Master of Engineering in Post Harvest Technology
Master of Science in Rural Technology
Post Graduate Diploma in Agricultural Engineering
Post Graduate Diploma in Renewable Energy
Doctor of Philosophy in Agri-Informatics
Doctor of Philosophy in Rural Technology
I hope this answers your question to your satisfaction. If so, kindly upvote this answer. If you have any further questions, kindly revert.