hello aspirant,

as per the eligibility criteria of mhtcet, the candidate need to have 50% aggeregate marks in 10+2, and this is 45% for sc/st.

there is nothing separately requirement   of pcm marks in the notification.

so you dont need to worry. you may use career360 college predictor tool to know your predictable colleges,

mhtcet college predictor

https://www.careers360.com/mht-cet-college-predictor