The whole interview 1 day process. consists of 3 parts: Written (both Technical and Aptitude), Technical face-to-face interview, HR face-to-face interview.
Written test comprises of 60 questions including both technical and aptitude. Technical comprised of questions on C and Operating Systems.
Technical round took place for about 30 minutes and questions were limited to your knowledge you put on resume. They asked me technical questions about my final year project and asked me to implement linked-list in C. few other questions in C.
HR round was quite predictable. asked why SISO ? and asked when will i be open for joining and what are your long term goals etc.,etc.,
90 other people were hired along with me and Offer was made to all of us exactly after 45 days of interview