The document discusses four national institutions of Ayurveda in India: 1. National Institute of Ayurveda (NIA) in Jaipur, established in 1976, which offers degrees in Ayurveda and is deemed a university under the Ministry of Ayush. 2. Institute of Post Graduate Training and Research in Ayurveda (IPGT & RA) in Jamnagar, Gujarat, established in 1956 under Gujarat Ayurveda University, which is a WHO collaborative centre for international Ayurveda studies. 3. Banaras Hindu University (BHU) Ayurveda college, established in 1927, which was converted to a faculty of Ay