Dear Gaurav,

No, COEP Pune don't provide aeronautical branch. 

You can check below top colleges which provides aeronautical engineering

Manipal Institute of Technology, Manipal

PEC University of Technology, Chandigarh

Indian Institute of Space Science and Technology, Thiruvananthapuram

Madras Institute of Technology, Chennai

Sathyabama University, Chennai

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%3AAeronautical%20Engineering

Good Luck!!