hii 

it depends on various factors but  most important, international entrance exams for abroad studies include the SAT, MCAT, LSAT,IELTS and the TOEFL. it depends on this majorly while i suggest you take councelling from the abroad consultancy they will give each and every information i would like to suggest few people for exam couching and councelling are JAMBOREE, PRINCETON kindly check with them 

regards