As per the official notifications, there are no restrictions provided to such EWS cases. The EWS criteria is a reservation which is initiated by the GOI and is applied to State Governments. So you can apply with any EWS certificate you have be it state or central. The basic criteria for reservation is the same.

So don't worry about it. If you feel still not confident, I would say to make yourself satisified call the official contanct of MHTCET and ask the same.

For the contact information copy & paste the link below in your browser:

https://info.mahacet.org/mahacet/contact.html

I hope my answer helps. All the very best for your future endeavors!