Canada

The course comes under category of electrical and computer engineering. In that again, based upon electives of your interest, you can prefer.

Hi,
I would say rewrite the exam. Based upon my survey done to get an admission into most of the Canada universities, overall band of 6.5 is required. I don't have any idea about the New Zealand.

Hello,
You can check University of Alberta and University of Calgary amongst the top ones. Your scores are good and with a strong SOP and recommendation letters I am pretty sure you can be considered for admissions. Please however remember that MS admissions are very selective in Canada. Other options could be The King's University, Northern Alberta Institute of Technology and University of Lethbridge.

Yes, any good university will ask for a GMAT score though there could be exceptions. Check Thompson Rivers University or Vancouver Island University, they don't ask for GMAT.

Hi Narasimha,
Every university have different entry requirements. MS programs are usually very competitive in Canada. You must have very good grades, may be required to take the GRE and must show excellent research work, publication etc. Recommendation letters will be crucial.

Hi Hiten,
Since you have completed your M.Sc and matured enough you should choose the course wisely and which meets your career plans. MBA is a good option if you want to hold a managerial position. But to apply to MBA programs you must gain work experience. You should first figure out what you want and then decide.