Hello @avdhesh7289
You can add data in item properties or attributes. If you don’t want to display properties on the cart page, prefix all properties with an underscore, like this: _fullName, _mobileNo, _address.
If the solution presented meets your needs and addresses your query effectively, I encourage you to accept it as the chosen answer. This will acknowledge the support you received and aid fellow community members in identifying reliable and effective solutions for their similar concerns.
Thank you.