UAE

I'd recommend you go for MBA in International Business as it will help you grow your business. However if you are not looking for global expansion, then MBA in finance is also a good option. It depends on your preference and interests also.

Amity University, Dubai is one of the best campuses, overall reviews are good, particularly the campus and university life. You can connect with them via email or social media for more information. Please check the website for fee and admission details.
http://amityuniversity.ae/prospective-students/undergraduate-programmes/

Hi, you must complete your 10+2 with very good grades, around 75% is required by most, exams like emSAT, IELTS or TOEFL is also required depending on the university.For students from India they also require the result of the Arabic and Islamic ministry exam, details will be found by communicating with the medical schools directly.

http://www.bits-pilani.ac.in/dubai/
Check this link for knowing all about BITS Dubai.

If you are a sous chef, I believe that you have already got skills and asking this question suggests that you are not confident about your skills.
Well, If you were a fresher without any skill I would have suggested that you can't do it but since you are already a chef with 7-years of experience, you can enhance your skills by watching videos online and practicing those recipes at home. You can also purchase books and read them. See, culinary is an art that you will learn only by practice.

I would recommend you to not to take engineering or other course in gulf nations. You can study them in India. Lots of people from Africa, gulf and middle east countries are coming to India to shape their career through education.