66.58 percentile in MHTCET means you can accept a general rank in the range of 53000 to 58000. Now this is not your actual rank rather it is assumption based on MHTCET Percentile vs rank statistics. Now if we go through last year's cutoffs, then you can expect

• Civil Engineering, Instrumentation Engineering in Vidyavardhini's College of Engineering and Technology Or Vartak College Vasai Virar
• Electronics Engineering in Datta Meghe College of Engineering
• Electronics and Telecommunications, Automobile, Electronics Engineering in Pillai College of Engineering
• Computer Science and Engineering, Electrical, Civil engineering in Priyadarshini 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