Amazon India — Very important and urgent issue

Address:

Ho No 25 Rudranagar Colony, Lothukunta Sec Bad, hyderabad

I bought an fast-track rucksack from Amazon but the product was missing at the time when I opened the cover and I have complained several times to Amazon customer care they just say that the product was delivered good and there is nothing they can do for but it's been a mystery that what happened actually and they are not ready to share the investigation report so that I could my personal level investigation and try to find out what's wrong, I have been a prime member since it was introduced in india and this is so sad that after being a loyal customer, I am treated this way and lot of disappointment is there with me for now with regards to Amazon customer care, I please request you to look into issue and do the needful to keep up my loayality as it rare in the 21 century.