how can i get phd(Pharmacology) admission in forgein countreis

My name is naga hussain from India.I am studying m-pharmacy(pharmacology) and i want to do Phd. so please tell me the process for getteing Phd admission in any forgein countries like Germeny,Usa,uk and other better oppertunuties. Tell me the best options country,univercity, exams,fellowship,and other info for phd after compleation of M-Pharmacy(Pharmacology).