The interview was not much tough, it was average. First round was technical written which was easy aptitude,and after that technical interview which was an average and lasted for around 20 minutes and after 2 days i got a call from HR that i had been selected and next day the HR meeting was scheduled.

1) online exam (it contains aptitude questions, verbal questions, c language questions,c++ language questions, protocal questions,micro controller questions)2) technical round they ask c,c++,8051 micro controller,I2C,UART,spi 3) manager round 4)hr round they ask tell me about self , your weakness and strength, after 5 years what you want to be.