1. Questions from basic algebra, calculus differential equations. 2. Questions from digital signal processing 3. software related technical questions. 4. Choice of any programming language like java, c/c++ Needed to solve mathematical questions, explaining the approach and finally evaluating the answer. Asked several fundamental questions in DSP, did not ask to perform mathematical calculations. Interview lasted nearly 45 minutes. Feel free to ask the interview any questions once you are done. My position was for a full time, you can request to be considered for an internship. They would get back to you within 2 weeks, if selected.

There were three phases for recruiting procedures. The first stage was a brief and relaxing conversation, the second stage was about technical things and hiring manager asked several questions in the third stage.