hello,

Computer science is the most trending branch. the most preferred places for studying will be USA,CANADA,UK,GERMANY,AUSTRALIA,SINGAPORE.

eligibility:-

1. Strong academic qualification in 9th class to 12th class. Most considered are 10th and 12th grades
2. You have to give one of the exam from GRE,TOFEL,IELTS. this score is considered for admission. The score from this exam will signify that you are good at spoken english
3. Your other extra-cullicular activities will be a plus point to get an admission. The more skills you have it will be more easy to get an admission.

Mostly people go for studying aboard for master's degree for that they have to do some research work and have to publish them in the publishing companies like IEEE or springer.

but for UG, you have to be proactive and have skills and have to impress them which will answer their question "Why they will give you an admission? ". At that place your skills will be the answer.

Hope it helps!