Amazon India — Waiting for replacement order

My order no ORDER #[protected] I am waiting for my mobile Replacement Order from 12 days. 1st you they me due date 29 oct and then 1 Nov and the 4 Nov and 7 nov still I am Waiting. When I called you Customer care service they only call sir you have to wait for 2 days. same answer every call when I ordered same new mobile they deliver in 2 days and how replacement take 12 days as per my order status my order in navi mumbai now which is 1 hour distance from there Why there is late . Customer care service is Worst They have fixed answer Please wait same repose from 29 oct to 7 nov nothing else they told me