USA

Ideally, you are eligible (provided you fulfill their rest of the demands like marks required, entrance %, fees assurance, etc.). But at the time of selection, they will raise some questions on your 3 years of Gap. If you have some valid points to satisfy them then there are some chances to go abroad because objections on your 3-year gap will not only raised by the concerned university (to which you had applied) but also by the investigation officer who issues your visa. So kindly be prepared for those questions. At last, if you satisfy them then definitely no one can stop you to build your career in abroad. Feel free to ask more.
Good luck!

You are advised to appear for GRE. The Graduate Record Examination (GRE) is a standardized test that is an admissions requirement for most graduate schools in the United States. Created and administered by the Educational Testing Service (ETS), the exam aims to measure verbal reasoning, quantitative reasoning, analytical writing, and critical thinking skills that have been acquired over a long period of time and that are not entirely based on any specific field of study outside of the GRE itself. There are no specific eligibility criteria for GRE. Aspirants can register for the test irrespective of age and qualification. Many graduate schools in the United States require GRE results as part of the admissions process. Different graduate schools have their own criteria for admission and minimum GRE score.