USA

Hi Rakesh,
These three are among the best, USA has many options. Canada is a superb option, but to practice you must be licensed by the professional engineering association after you complete your studies. Canada also has good stay back options for work after studies. Cost of education is affordable too. Australia too has good stay back work options. USA is competitive but again for engineering students you can opt for 3 years stay back option. Job is really difficult. Now you can check labor shortage lists of these countries, just google and check their official immigration websites. You will see the professions in demand, check which fits you.