How to remove few data from iCloud to increase space

Hello Roopjeevan,

We've an article that provides information on how to go about managing your iCloud storage. Detailed below is how to go about doing so on your iOS devices.

1. Tap Settings > iCloud.
   • If you're using iOS 8 or later, tap Storage > Manage Storage.
   • If you're using an earlier version of iOS, tap Storage & Backup > Manage Storage.
2. Tap the name of your iOS device.
3. Under Backup Options, turn off any apps that you don't want to back up. When you're asked to confirm, choose Turn Off & Delete to turn off Backup for that app and remove all of its data from iCloud.

Manage your iCloud storage
http://support.apple.com/en-us/HT4847

Cheers,

Allen