i m btech(ECE) student from nanded,MS.i a fine academic performer,but before joining b tech i lost 5 yrs doing aeronautical eng,guide me

i got no guidance after 12 what to do,so i join aeronautical eng & i loss 5 yr.now i m 67% btech candidate, guide me what to do now..1)to continue aeronautical eng corresponding with mtech in embedded system 2)just forget & move away 3)how to compensate this 5 yr loss.4)which is good mtech 4me