M.Sc

MBA from USA will pay you the highest vs MS from USA and MBA from India. But B-schools in the USA would not even consider you application for admission into their MBA course unless you have atleast 2-3 years of experience. Of course there are some tier 3 and tier 4 schools which will give admission but I am talking about the top 15-20 here. Also do MS or MBA from the USA only if you wish to settle there. My personal recommendation is that you go for MBA in India from the top 10 b-school. And that's because of 2 reasons
1 The purchasing power parity in India is higher. Which means you will be able to afford more luxuries in India than in the USA for your salary.
2 USA is under immense political and social turmoil. And the general rhetoric is that it might not bode well for the immigrant population going forward. All because the economy is not doing well and people are losing jobs and a lot of jobs are being transferred either to China or India.

Since you are asking this question to us to give our preference, first of all I will say that you must check the job availability in both the courses, then think of taking the course. But, for me, I will say that it will be better to take Industrial Microbiology, because you know day by day technology is developing and, thus there will be high requirement of researchers based on industrial microbiology, though both the fields are based on research studies and they generally give emphasis on that only. So, there is a need of microbiologists in almost every nation. I don't think it will harm you, if you pursue M.Sc. programme in Industrial Microbiology.

Career in shipping is perfect for the individuals who are fascinated by the sea, love traveling in foreign ports and want to experience different cultures.
Jobs & Career
Exciting career paths are offered in the field of Shipping & Maritime. There are enormous job opportunities for the candidates who have completed the basic course in this field.
The need of skilled professionals has been increased due to the increasing importance of international trade.
Job opportunities exists in private and government shipping companies like Shipping Corporation of India del credere agents etc. One can also join merchant navy after the completion of aforementioned diploma and degree courses. Deck officer is one of the excellent post in merchant navy.
Skills Required:
Excellent Verbal & Written communication skills
Decision making Ability
Willingness to Learn
Ability to work well with all levels of staff
Self-Motivation
Confidence
Commercial Awareness
Shipping industry plays a vital role in international trade and due to this it offers interesting and diverse career opportunities.
You can work in the shipping and navy departments.
The shipping & maritime industry offers an excellent opportunity to the youngsters who wish to carve & achieve a self-disciplined, motivated & an adventurous career.
In the field of shipping, one can become:
Marine Engineer
Deck Officer
Deck Cadet
Steward
Marine Cook
General Crew
Port Captain
Chief Engineer
Associate Director
Manager-Port Logistics
Documentation Executive
Recruiters
GMMCO Limited
Carnival Cruise Line
TMC Shipping Pvt Ltd.
ITT Shipping (P) Ltd.
American Cruise Lines
Ocean Shipping Service PVT.LTD
Bridgeview Maritime Pvt.Ltd.
Anglo-Eastern Ship Management
The Great Eastern Shipping Company Ltd.
Northern Marine Management (India) Pvt. Ltd.
Salary
Individuals working in this field gets the rewarding pay with many other benefits.
Salary in this field is extremely high. Remuneration will depends upon the post you are holding or from which course you are belong to. Deck officers receive excellent salary package. In Indian ships, deck cadet can earn INR 20,000- INR 30,000 per month and around 50,000-60,000 in foreign ships. A deck officer will receive upto Rs 1,50,000 per month.
The figures of your salary varies in abroad. In abroad, you will get the salary of around 85000$ per annum.
Anyone can gain lucrative job opportunities and best salary after doing shipping & maritime courses.