There was three round
First written test which consists 50 questions 25 from electronics & other 50 from aptitude. Mostly questions was on circuits problem.
Then 2nd round was HR interview that was very a little bit difficult they ask about your family, your dream & other some tricky questions like if your boss will say you to clean table then what you will do ?
After that final round was technical interview which was around 2-3 min they ask genral easy questions like what is relay, sensor etc