I applied through College Campus. In order to get job you have to clear five rounds. First there will be written test with medium level aptitude and C language questions related. After that there will be there will be technical round. Questions most probably from C++ and that to from mainly OOPs concepts. If you no OOPs you will clear this round very easily and also questions from SQL and DS. Third round will be HR, go through Indiabix, it will be enough. HR person asked me the Tell me about yourself and he said that he would intimate the next round details further. I have not gone through fourth round and HR sir sent the link for fifth round directly. In fifth round, Director of Zen will ask you the questions I was asked what is 19*9 and 15*5 and then sir hear noise from children who are palying in the street and he got negative minded in me[He said you are not serious about your job]. I got tense and my mind does not work. He asked simple questions what is Stack and Queue, in that tension told reverse. Thats it in his mind I got bad impression and not placed. But believe me one can crack this one very easily.