Icloud signing issue

Hello there shambhoo225,

Thanks for posting here on the Apple Support Communities! This is a place where other Apple users can submit questions or respond to others to help lend a hand. Let's take a closer look as we do our best to provide some additional insight.

We see you're having some issues signing into iCloud on your iPhone. To get started, can you tell us exactly where you are going on your iPhone in order to sign in? For example, are you trying to sign in under the Settings on your iPhone? If so, which specific section?

In the meantime, let's also make sure you have a recent backup and the most recent iOS version installed on your iPhone:

How to back up your iPhone, iPad, and iPod touch

Update your iPhone, iPad, or iPod touch

And also, let's go over the rest of these steps here: If you can't connect or sign in to iCloud

We hope this helps get you pointed in the right direction.

Take care.