It was on-campus placement session. Written Test - Total 15 questions (8 programming/data structures/os + 5 data communication/DSP + 2 aptitude); 70 minutes Technical Interview - for about 100 minutes; They tested many concepts of C, Data Structures, Data Communications, DSP and some questions from the written test; they check your approach towards the problem HR Interview - about 40 minutes; it was a normal interaction; very friendly and motivating Although it was only 1-day process, their selection methodology was rigorous.