Delet photo and vedeo bacup

Hello mukul213,

Thanks for reaching out to us in Apple Support Communities about haveing issues finding your backup, we're happy to help by looking into this more! 

Your backup can be in one of two places in iCloud or on your computer. Here's a resource that can help you locate your backup:

Restore your iPhone, iPad, or iPod touch from a backup

If you back is in iCloud and you still cant find it, it's possible that you used another Apple ID when backing up, this article can help you locate your other Apple ID:

If you forgot your Apple ID

Hope this helps.

Best Regards.

how I can clean my iCloud to have more backup

Hi Thanks for the reply above. How do I clean up my iCloud Drive. I need to download everything to my Mac and erase everything from iCloud. How do I do this? Will I lose data?