I applied through other source. The process took 1 day. I interviewed at Efftronics Systems (Vijayawāda)
Interview
1st round technical written test:
it is like a psu paper
includes every subject atleat one bit
questions:60 app
mp:10
digital electronics:10;
networks :5
apptitude:2
maths:2
physics:2
electronics and measuring instruments :4
c ans assembly:10
control system,mobile communication,optical fiber ;3