Which course shall I pursue among MBA and M.Tech after completing BE in electronics and communication engineering?

It all depends on where your interests lie and career goals. Both the courses are equally rewarding in terms of career growth, provided you pursue them from reputed colleges. If you're more inclined towards the technical field, then M. Tech is a better option. If you want to make a career in the man

If you are an average student and not a nerd who wants to do new things every time then go for MBA, otherwise, go for M.Tech.