Without a second thought download and install this app.
TCS interview process contains 4 rounds,
(1) Aptitude Test ---> easy if you are good at maths
(2) Technical Interview ---> Mostly on basic of c, that is where this app is of great help
(3) HR interview
(4) MR interview
* Important C Programs for asked TCS interview.
* TOP 60 TCS technical interview programs.