Some top Govt. BAMS colleges in India are mentioned below.
All India Institute of Ayurveda - AIIA
Allahabad State University
Anantha Lakshmi Government Ayurvedic Medical College
Baba Farid University of Health Sciences
Banaras Hindu University - BHU
BVVS Ayurveda Medical College and Hospital
For nore such colleges, you can refer to the link given below.
Hope this helps.