Flipkart — Missing item empty box delivered and avoiding refund process

I ordered Oneplus Nord CE 2 on 14 September through flipkart They Delivered empty Flipkart cartoon box there are empty box and wrongly taken product value. I am 6years Old flipkart user Never faced like this in my purshace life.
I raise return request first, they require images of actual Received images i shared immediately after that they asked me to shared Documents of recent purshace Which match Owner name, i shared immediately after that, they changing statements they again asked me Share Documents of your which authenticating
flipkart account, after that they rejected my Return request two times i shared my documents which they require To authenticating my Flipkart account via mail they still not responding and avoiding refund process.

More than longer i am trouble and suffering with the issue from Flipkart marketplace.
Please take action immediately and refunded my money right away.

16 days already passed they still not refunded my money. And current return status is rejected .please do something for me take legal immediate action on it. They totally doing fraud with us.