On site they were highly non-professional. They asked me to draw design schematics of my current employer. They do things hastily and try to create pressing environment so that you can tell them something. If you are going from big names like Mediatek, Samsung, Qualcomm or Broadcom then be careful, they are bunch of beginners who are trying to interview many people everyday so that they can get to know good design toplogies and try to copy over. This is just what I felt.