The recruitment process involves 3 rounds.
1.Written Test
2.Technical discussion
3.Managerial round
When coming to the written test, questions on aptitude, C debugging and Basic electronics
In Technical discussion, having a clear idea on your project is a mandatory one. Asked questions on C language and python language and on about strength and weakness.
Finally Managerial round which last for 15 min basic introduction and had questions on C programming skills and embedded side questions since I am from embedded background.