Hello aspirant,

The application form has released on June 8, 2021. They have released this form on the official website, mahacet.org 2021. The Last date to submit the form is July 8 to 15, 2021.they will release the 2021 exam date  soon. Mainly the documents required are

Photograph, identityproof, signature..

Please check on the below link you'll find more information and updates.

https://engineering.careers360.com/articles/mht-cet .

Hope it's helpful.

Thankyou.