Q.What is TSM? How does it classified and what does it focuses on?

India's Traditional Systems of Medicine (TSM) split into institutionalised, documented systems — Siddha and Ayurveda, each roughly two thousand years old with prescribed texts on diagnosis, drug preparation, dosage and diet — and non-institutionalised oral traditions kept by rural and tribal communities. Siddha, the system most widely practised and culturally accepted in Tamil Nadu, rests on the Pancabhuta philosophy and three humors (Vātam, Pittam, Kapam) whose imbalance causes illness, drawing roughly 800 herbal drug sources from plants, animal parts, marine products and minerals, with a particular specialism in long-shelf-life mineral-based drugs. Ayurveda, documented by Charaka, Sushruta and Vagbhata, rests on a parallel three-humor model (Vatha, Pitha, Kapha) and its Pharmacopoeia lists about …