job or m.tech

hello!!!!
i m a student of ece.In our college now a time for recruitment.what i should do??
Rather i get start preparation for campus recruitment or go for preparation of GATE exam for further studies???
companies coming to our college are not related to ece.i want to be in my field.
I heard that there is less scope for job opportunities after m.tech in ece..
please help me to bring out this confusion...