Walk-in Interview. First was a technical paper. Based on ARM-Cortex processor and RTOS. Then, after this, there was an interview based on the work that you mentioned on your resume and some coding questions.
The only thing is they don't give feedback so all the best getting something from them. If someone from that company is seeing this, please at least give feedback whether it's negative or positive and hire based on the YOE you are given for the position.