Does the meta tag have a closing tag ?

no: there are self closing tags...

https://html.com/tags/meta/#:~:text=The%20element%20is%20used,by%20browsers%20and%20web%20crawlers.&text=This%20element%20must%20not%20contain,not%20need%20a%20closing%20tag. Go through this. this may be helpful for more information 🙂

No, meta does not have closing tag