Here I am suggesting you some government job opportunities which are available in India for Students who have completed B.Tech Electronics and Instrumentation Engineering.

Government jobs after B.Tech EIE:

Public Sector Firms for B.Tech EIE Graduates:
Indian Air Force
Indian Army
Civil services
Defense
Indian Railways
Public Sector Banks
Information Technology firms
Implementation units
Steel Plants
Fertilizers industry
Hardware manufacturing units
Home Appliance and VLSI design units
Power sector
Software Engineering firms
Supervision sector
Maintenance sector
Telecommunication departments
Chemicals industry
Automobile industry
Rubber plants
Planning sector

Other Top Firms for B.Tech EIE Graduates:
National Aluminum Company Limited (NALCO)
Bharat Electronics Limited (BEL)
BSNL
National Thermal Power Corporation (NTPC)
Indian Space Research Organization (ISRO)
Bharat Heavy Electricals Ltd (BHEL)
Defense Research and Development Organization (DRDO)
Doordarshan
Oil and Natural Gas Corporation (ONGC)

Exams for Jobs after B.Tech EIE Graduates:
PSC
UPSC
SSC