I've done B.Tech in EC in 2014 and currently am pursuing M.Tech in digital communication. What type of govt. job should I prepare for?

Now a days, most Public sectors recruie the candidates on the basis of GATE, like BEL, IOCL, BSNL etc. So, you can prepare for GATE, then you can apply for these companies, and then as per number of applications received, companies conduct written test/ interview. Another option is "engineering serv