If u are thinking in terms of OBG Gynaec as ur option for pg, then
in india u have different entrance tests in different states which u can write n get thru. u can also try national CET test, AIIMS, JIPMER, CMC VELLORE, PGI CHANDIGARH. solve salgunan, plus normal text books u hav to know.
there are some british authors who hav written MCQ's in OBG GYN, i am not sure abt the name of the author but its from churchill livingstone publications.
other countries means u can write USMLE, PLAB, AMC (australia) etc.
more info if u need let me know