For admission in COEP ( College of engineering Pune) you need to score more than 150 marks in MHT CET in general category.
To get admission in Core branch you need to score more than 165 in general category.
According, to the changes MHT CET level is raised to JEE Main and 20% weightage will be from 11th class and 80% from 12th class.
Rank depends on cutoff which varies from Branch to branch.So to get Admission in COEP your rank should be under 500 for top branches.
All the best.