Hi,
Congratulations for his result. According to this percentile expected rank may be around 30915 - 34753 . With this percentile he can get into good colleges. You can refer to the college predictor to get an idea about the colleges he can get in : Https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
I hope this helped you.
Answer Key | Eligibility | Application | Preparation Tips | Question Paper | Admit Card | Result | Accepting Colleges
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile