i was go QA Infotech as Walk in, wnd 1st round was aptitude where they asked 20 basic java questions, after shortlisted candidates go for coading test , prefer java language but you can use any language , coding test done over paper pen based ,there are 3 questions and timing is 45 minutes ,1 question is bit hard and 2 is mediocre. after selecting in this go for screening test where 4,5 student together go through it.in screening they simply asked about yourself and simple question from your resume and must asked about your project. and after this CXO interection ,where CXO simply don't have any criteria to ask the question they just asked your weakness ,straight, and for me he asked Linux and database and about cloud computing and asked about my project ,in the end i am not selected after all these round.