It was an amazing experience. The interviewers were humble and totally on time. 5 rounds + lunch interview.

Round 1(System Design):

Was asked the amazon leadership principles.
Told to design a system where we would get the review of the books from amazon.

Round 2(OOP design):

Amazon Leadership Principles
Design a meeting room booking system

Round 3(Lunch):
Normal talk about the culture.

Round 4(Manager) :

Amazon principles and my experience.

Round 5(Coding):

Amazon principles
Write a program to print the sum of two roman numbers

Round 6(Coding):

Write a program for cache.