The ‘Charaka Samhita’ written by Charaka includes detailed description about clinical diagnosis. The ‘Sushruta Samhita’ written by Sushruta, discusses the different causes leading to injuries and fractures, as well as their surgical remedies. We also had ‘Bhela Samhita’ written by Atreya Punarvasu. Besides these three popular works, there was also ‘Ashtang-sangraha’ written by ‘Vaghbhata’.