Im in my final year engineering(Electronics and communication) and i want to do further studies in aeronautical or any other related fields

I want to study further ONLY if i wont get jod in aeronautical,aerospace or any other of its related field.So please help me out in taking decision.I have good aggregate. Please help me out ... thanku:) And i wan details about CPL(Commercial Pilot Licence) like for what we should get that n 4m wer?