Deloitte Software Engineer interview questions

They have asked me to come by 11 AM. On that day company has scheduled interview for 220 people.I'm one among them.First,they have given an visitor ID card and asked me to sit.A person came and collected Resumes who are seated.After that he has taken 10-12 people including me with him to the second floor.There are so many people who are waiting for first round of interview who came @10AM.Lastly,after so much wait i was called for first technical round.The interview was so easy.Interviewer has focused more on OOPS concepts & SQL.LAter,he has asked basic questions in MVC.Interview was around 20 min.After that there was a second technical.Here,there are 2 interviewers they have asked indepth questions.I coudn't aswer it.so,they rejected me.