Hello Ashish, Yes they do have the reservation, Under the All India quota's, seats are treated as generally category seats for candidates from Maharashtra and from outside of Maharashtra. But there is no provision available for Backward classes.
You should read these link to understand better: To clear you doubts
https://exams.collegedunia.com/mh-cet/reservation
https://www.entrancecorner.com/engineering/mht-cet-reservation-of-seats/
Best of luck
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