iPad air Wifi + cellular but there is no wifi hot spot

Hi jeeva4ualways,

Thanks for the question. After reviewing your post, it sounds like the hotspot setting is missing in settings. I would recommend that you read this article, it may be able to help you isolate or resolve the issue.

iOS: Troubleshooting Personal Hotspot - Apple Support

Thanks for using Apple Support Communities.

Have a great day,

Mario