Dear Haniya Ahmad,
Please use the following links to Upload & Update the Files.
Upload your Files to Google Drive (Login using your email ID)
Remember: To use proper format to upload the SOLVED Past Papers. File Name should be like: 7100_s16_qp12
Click on Google Dive Link to Open.
2. Update the Excel Sheet once files are uploaded
Click on Update Google Sheet
3. In Case of Problems / Queries
You can send the message /Voice Note on WhatsApp group