Greetings,
I was reading your project But I have some questions in my mind So, If you can clear that It will be awesome
1. File is in which Format?
Exmple: Xls, Pdf, docx
2. What functionality you want to after uploading the File?
I hope you are ready with my answers So, Do let me know and I would love to share some of my previous similar projects with you
I am waiting for your response :)