Dear Vijay

Since you completed electronics  you can write lots of exams.

You have to put lots of efforts and time for government exams

The list of exams you can apply

1.staff selection exmas

2.state exams

3.goverment electronics companies such as Bell , Hal etc

For this you have to keep visit the particular website for application dates and deadline

Once you apply start to prepare

Best of luck

You can work in below sector for government job

1)Indian railway.
2)DRDO
3)BSNL TTA
5)MTNL
6)DVC
7)Electricity board,
8)NTPC
9)BANK CLERK
10)Primary School Teacher.

Good Luck!!