Cognizant Trainee Engineer interview questions

First round was GD after completing this the second round will be the face to face round and the third round will be HR round and after you got cleared in three rounds you will get a confirmation mail from the company people within one week.

first up all we have to clear amcat exam(held by aspiring minds) then after three months you will get interview letter from aspiring minds.They mentioned only technical and Hr round in interview letter but on the interview day they add two more rounds(GD and Varsant test ) .I cleared GD .In varsant round they asked me one question ,Why in IT(and I am already from technical background ).