[SOLVED] AWS S3 – The authorization mechanism you have provided is not supported

Recently I started working on one of my project which I dropped long ago. I was using AWS SDK in this project as this was planned to deploy on AWS.

When I stopped working on this project that time there was no AWS data center in India (Amazon has launched first data center in India which is located in Mumbai). So when I resumed my project (this time I created all my resources in Mumbai region instead of Singapore) again then I get to know that my code is no more working for AWS S3 operations. Every time I tried to do any S3 operations it shows me this error: Keep on reading