HI mam,

i think he is not eligible to take MHT CET. because the CET exams are refused to the students who born aboard.

you can refer below link,

• https://www.careers360.com/exams/maha-cet

but  he can give JEE to hold a admission in maharastra, he may have admission through NRI quota.

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)