Tata Consultancy Services Assistant Systems Engineer interview questions

1.some simple questions from programming..c output. 2.some questions on sorting,implement merge sort.when it is prefered .some basic sql queries..

It was ok.I had to get the online aptitude cleared first.That lasted about half an our of Quantitave questions and Half an hour english section.Then I had 3 rounds of one to one interview.First round was technical interview and two rounds of HR which lasted for another hour. Interviewers were very friendly.