the rules one should know,before getting foreign medical education

As per The Indian Medical Council (Amendment) Act, 2001-
Amendment of Section 33

1. In section 33 of the principal Act, after clause (m), the following clause shall be inserted, namely:-

"(ma) the modalities for conducting screening tests under the sub-section (4A), and under the proviso to sub-section (4B), and for issuing eligibility certificate under sub-section (4B), of section 13,".

it conveys, that all students  aspiring to get UG medical education in foreign universities must get

eligibility certificate from MCI and after successfully complete their courses,they have to appear for screening examination.
for all details browse- http://www.mciindia.org/Egazette.aspx