hi,

see admission to master course in engineering in abroad university of canada, United states, UK etc is based on GRE/ GMAT score and english proficiency test like  ielts, toefel score. so you must prepare for this examination from third year of your engineering. apart from this candidates must have good academic record, project work , publications of research journal to get better score on profile. however you have to select among subjects like power engineering, communication engineering, electrical design etc to pursue masters course. some of the best  university which offers masters course in EEE is as follows:

Massachusetts Institute of Technology

Stanford University

UC Berkeley

California Institute of Technology

Georgia Institute of Technology

UCLA

Carnegie Mellon University

University of Illinois at Urbana-Champaign

Princeton University

Purdue University