it was a 3 round process where 1st round was written test based on C,OS,ELECTRONICS BASICS... next is technical and then HR. the process was simple but questions in written test were from basic electronics and also few of them from python.they expected more depth from electronics basics

The Interview had 5 rounds: 1. Written test( Only for freshers): 50 multiple choice questions which included basic electronics, digital circuits, and c language. 2. Technical-1: They ask you about basic c questions and about your projects, make sure you know everything about the project as questions can be asked in-depth about the concepts in your projects. 3. Technical-2: In-depth C concepts and Embedded Systems basic concepts about Microcontrollers. 4. Managerial Round: Heavy concept-based questions on hardware level questions. 5. HR Round: This is just salary discussion and general talks. I got selected and accepted the offer. Salary is comparatively low but the work is core technical embedded systems R&D, Development, etc.