Amazon India — my amazon account was hacked

Address:

Rohtak, Haryana, 124001

On feb 3rd 2019 around 8 am in the morning my account was hacked and my all details was changed by someone. My email address was changed and my phone no is also changed. I have complaint several times to amazon customer support but no resolution is provided till now. They told me to wait 24-48 hours but it is almost 4 days but there is no resolution is provided. There was around rs 2800 amazon pay balance in my account and all that money was used by that person.
My old email account:[protected]@gmail.com was tranfered to this [protected]@gmail.com
My phone number:[protected] was also transfered to this [protected]
Please recover my account and take strong action to this person who changed my details.
I have also attached the screenshots.
Please give me resolution