The over all process is a not very easy. THe process is like following
1. Application
2. Online tests(Personality and logical reasoning)
3.Online codility tests(3 questions 120 min)
4.Skype interview with HR
5. Online codility test(1 question 90 min)
6. Assesment center for 2 days
Day 1- Role play, Group discussion, Technical Interview(about the codility tests)
Day 2- Manager Interview, Logical reasoning and personality tests
They try to put you under pressure and check how you handle them. Be confident!