Am I On The Right Way?

I am a forth year student in Khartoum university in Sudan Electrical and Electronics Engnieering dept, I am one of the best students in my country, I would like to work in one of the great companies in the world in electonics,and then start my own company , so i thougt that i should have a postgraduate degree first,is that right?
I think i should take the following steps to achieve my goals (i already achieved some of them):
1.getting high marks
2.extracurricular courses
3.good graduation project
4.practical experience by attending training cources
5.good language(english and some japanese)
6.other activities(sports, volunteering work)
7.entrance exams( GRE..)
am I in the right way? correct me please