Hello dear student
Your percentile around 20 it is very less percentile so very less chance to get seats in good Colleges through your quota but the admissions possibility depends on many factors because every year changed cutoff of Colleges.
So please visit the link and predict your college using College predictor tool.
MHT CET College Predictor 2020 - Predict Colleges based on your Rank
MHT CET College Predictor - Know your college admission chances based on your Home University, Caste, Gender, exam result and Get your MHT C ...
Hope that's helpful
Best of luck