Career

You are in the field of computer science engineering which is totally a technical field. So don't be afraid if you have low academic background because mostly top level companies do not consider your percentage and the minimum criteria for most top MNC is 50%. So you are eligible to take part in their recruitment event. But here we are talking about your career option so if you are good in a programming language like C+, Java, Dot Net or any other technical skill that you have very good grip on this, so you can apply in the development field.
Another option is if you have less knowledge of technical language and if you want to join some company then I would suggest you to go in testing field.

Ocean Engineering is a job oriented field with good potential. As offshore industry is becoming commercially important in several fields like transport, trade, oil and gas, mineral exploration etc., more efficiently designed vessels and offshore facilities are the need of the day. The work of ocean engineers are mainly related to engineering fields as designers and construction supervisors, they also have scope in areas like consultancy, regulation, surveying and overseeing, research and development, education and training etc. Career paths for Ocean Engineers is so wide and can lead to many industries including governmental options. Some will focus on remote sensing, while others work on climate monitoring, environmental protection, oil recovery,marine transportation, underwater vehicle development. The work of ocean engineers play a pivotal role in transportation, energy and even the nation's defence. Great careers are open to Ocean Engineers in India and abroad in offshore drilling establishments, military and marine navigation, Oil & Natural Gas extracting companies etc.

You have not mentioned the spicialisation subject of MBA.
Dietitians are professionals who use the Science of managing nutrition to promote a healthy life. In order to become dietitian you have to take up either B.Sc Nutrition or B.E in Food Technology. You have to write the entrance test for getting admission for these courses
Since you have already completed graduation and Masters, I would suggest you to opt for some short term diploma course programs.
Here is a list of programs for you:
Certificate Courses in Dietetics & Health Education
Certificate Courses in Nutrition and Dietetics
Diploma in Dietetics and Nutrition
Diploma in Dietetics and Applied Nutrition
Diploma in Dietetics, Health and Nutrition
Some of its specialized fields are: -
Sensory Science
Community Dietitians
Consultant Dietitians
Clinical Dietitians
Public Health Nutrition
Food Toxicology
Management Dietitians
Nutritional Physiology
Molecular Nutrition
Nutrition in Health and Disease
The National Institute of Nutrition, Hyderabad is a premier institute under Indian Council of Medical Research, an autonomous body under the Ministry of Health and Family welfare, Government of India, that offers regular nutrition training courses every year.
Some Job Types:-
Researcher
Consultants
Therapeutic Dietitian
Food Show Host
Sports Nutritionist
Nutrition Trainer
Administrative Nutritionists
Public Health / Community Dietitian