MACOS BIG SUR | Control Center shortcut

Howdy devashishrattan,

We understand you want to be able to access Control Center quickly. The following page of the macOS User Guide explains how Control Center can be accessed: Use Control Center on Mac

That said, we're always interested in hearing about features and options you'd like to see in the future, and encourage you to share your thoughts with us here: Feedback - macOS

Take care!

devashishrattan wrote:

I was wondering that is there any shortcut key or Touch Bar button so that I can access control centre in one click.

The short cut is clicking the icon in the upper right menu bar.

The Touchbar/ Control Strip can be customized you can see the limitations here:

Customize the Touch Bar on Mac - Apple Support