can I get a good b.tech college on 88 percentile in jee mains
Admissions to any universities or colleges are given based on your rank. As per your overall percentile your rank could be between 165000 - 170400 approximately. Yes, you might get admission in some good colleges with the rank you scored.
However click on the below link to predict the colleges you are eligible for.
https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp