Following rounds
1) personal interview
2)aptitude
3) hr
One thing is for sure ..if you want to get in amazon you should have strong communication skills .
Aptitude contains some grammar sentences, we have to write an sample email in specified time, and some story appers for some seconds and we have to rewrite whole story in our words in time specified .
once we clear apti then final round is hr..
in hr introduce yourself,strength,weakness,swot analysis and communication skills and package negotiation.
once u get selected u get offer letter at that time itself....