Hello ma'am!!

He may not get in top colleges but he will get in good colleges don't worry.

For his rank he might get ECE from below mentioned colleges under GM Category.

• Global Academy of Technology, Bengaluru
• Vidya Vikas Institute of Engineering, Mysuru
• Dr. Ambedkar Institute of Technology, Bengaluru
• Reva University, Bengaluru
• Presidency University, Bengaluru

Go through the below link for more colleges.

https://www.shiksha.com/b-tech/resources/kcet-college-predictor

Hope this helps you :)

All the best!! 

Thank you.