Hi Pragyan,

The best government colleges/universities in India for Aerospace Engineering courses with low fees are as follows:-

• Shri Vishwakarma Skill University, Gurugram
• Indian Institute of Science, Bangalore
• Maharaja Sayajirao University of Baroda, Vadodara
• Jawaharlal Nehru Technological University, Kakinada
• Swami Vivekanand University, Sagar
• Central Tool Room and Training Centre, Bhubaneswar
• BMS College of Engineering, Bangalore
• Defence Institute of Advanced Technology, Pune
• Indian Institute of Space Science and Technology, Thiruvananthapuram
• Madras Institute of Technology, Chennai

Refer here for more info - https://engineering.careers360.com/colleges/list-of-aerospace-engineering-colleges-in-india?sort=avg_fees

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!