80 percentile in MHTCET means you can expect a general rank within the range of 31000 to 36000. But this is your expected rank and can differ from the actual one. Now going by last year's cutoffs and considering your details, you can expect Mechanical Engineering in

• DY Patil College of Engineering
• KK Wagh Institute of Engineering Education and Research
• PE Society's Modern College of Engineering
• Rajarshi Shahu College of Engineering
• Singhad College of Engineering
• Bharati Vidyapeeth College of Engineering

Etc. But keep in mind that these are based on last year's data and this year the cutoffs can change. To get complete list of all colleges you can get based on your rank use this link