Simple, subtle, depends on your luck whom you face. There are many interview steps but at the end you are selected. The interviewers try to prove you are wrong always. The final round is taken by HR who always show their negligence for selecting and giving offer.

Started with Application selection , it was a weekend drive at office. Before that a telephonic round is conducted 3-4 rounds all in person with interviewer, all happened in one day Later 2-3 rounds with different teams