Hello aspirant,

YES, you can give GRE exam after your class 12th to study Bachelor's degree from any colleges in abroad. The Eligibility criteria for GRE states that : There are no specific GRE eligibility criteria as prescribed by ETS. Anyone can register for this GRE exam, irrespective of age or qualifications . However, candidates applying for master's  required to take their GRE test.

This exam is conducted for students to study post graduation programs in foreign studies. This exam requires no academic qualifications. You just have to be in your final year of college or passed out. Your 12th marks doesn't matter for GRE .

Further, to know more about the GRE exam - its complete details - you can follow the below mentioned link to know more details on it ; https://studyabroad.careers360.com/exams/gre

https://studyabroad.careers360.com/articles/what-gre

I hope that this will help.