Which B.Tech stream is the best to get government job?

Civil Engineering graduates have opportunities in PWDs and Irrigation department. Electrical Engineers having many opportunities with Electricity Boards / Dept. of each states. BSNL recently announced recruitment notification for ECE graduates. Compared to these specialties, CS / IT have only limit

For Government job you are advised to choose between Mechanical or Electrical / Electronics or Civil any based on interest. With these you can apply for All India Engineering Services examination.