Good evening

Hope you are absolutely fine.. as per your query here is the list of top Government B.Arch colleges in Maharashtra:

-> COEP Pune - College of Engineering. Fees: 361,400
-> VNIT Nagpur - Visvesvaraya National Institute of Technology. Fees: 672,800
-> Sir JJ College of Architecture, Mumbai. Fees: 97,800
-> RTMNU Nagpur - Rashtrasant Tukadoji Maharaj Nagpur University
-> Shivaji University, Kolhapur
-> BVCA Pune - Bharati Vidyapeeth College of Architecture

For more information about these colleges checkout given link below:
https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india?state=Maharashtra&ownership=Public/Government&degree=B.Arch

Hope you found it helpful
All the best!!!