Data becup

Hello, ratanlal274. Thank you for posting your question to the Apple Support Communities. You’ve come to the right place to get help with creating an iCloud backup of your device. 

We’re glad to see that you have already been able to read over the Apple Support article that explains how you can set up iCloud Drive with your devices. To help you continue from here, we’d like to provide you with an additional support article that we think will help. This next article explains how you can create an iCloud backup of your device: 

How to back up your iPhone, iPad, and iPod touch with iCloud - Apple Support

For more information about what data is stored with your iCloud backups, please review this last article: 

What does iCloud back up? - Apple Support

We hope that this information helps you with backing up the data on your device. Please let us know if you have any other questions. 

Have a great day!