1st round: written test
objective type questions in 3 sections,
1. Aptitude
2. Digital Electronics
3. C Programming
2nd round: Technical Interview
be prepared with the projects that you have done and some basics of C Programming and digital Electronics, they will know when you are lying, be truthful.
3rd round: HR Interview
Simple and easy if you have nothing specially distracting or wrong with your resume or qualification. Simple questions about your habits and hobbies are asked. do a google search for HR question and you will find most of these.