hii Rafat

i dont know what is meant by IDP but i will tell you how to get under graduation you have to write 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