Dear Amit,

You can check the top colleges in environmental engineering through COMEDK below

PES University, Bangalore

BMS College of Engineering, Bangalore

JSS Science and Technology University, Mysuru

To check the complete list you can refer below link

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f%5B0%5D=sm_college_course_level%3AUG&f%5B1%5D=sm_college_degree%3AB.E%20/Btech&f%5B2%5D=sm_course_offered%3AEnvironmental%20Engineering&f%5B3%5D=sm_quali_exam%3ACOMEDK%20UGET

Good Luck!!