UK

Most students in India think of America and an American job. Isn't it a fact that America and India enjoy a mutually benefitting relationship and it is stronger than any other? In our own interests, our orientation should be towards American. It is incorrect to say that British English is similar to American English.

You are eligible for it if you have more than 50% in your B.Sc. in CS.

If finance is not a problem, definitely UK is better for computer engineering.

GRE and IELTS are compulsory for the same.

The only way to practice dentistry in UK is to pass ORE, a licensing exam conducted by British Dental Council. This exam is conducted twice a year (April and September) in UK.

USA universities are a better option for MS in mechanical engineering because of excellent academic atmosphere and opportunities for learning & overall development.

Chances are nil. You need to qualify for higher studies abroad which at the moment you cannot. Complete your Bachelors degree in India and work on your academic performance to be eligible for any country.

IELTS or English language proficiency test is required in the UK. You must write to the universities if you are planning not to take any test. It is very rare that they accept candidates without an IELTS score. Visa rejection chances are also going to be high.

MS in mechanical engineering is a good option from study & academics point of view. You may struggle to get a job in UK and also may face work visa challenges.

Hello, you can. GRE is not required in UK, as for TOEFL. Kindly check carefully with the universities as a number of universities in UK do not accept TOEFL and only requires IELTS.