What are the medical developments in ancient India?

Ancient India has a long history of medical knowledge. Many drugs, such as Oletum Trogopterori, are also found in Halaba cultural sites, which are dark brown solutions for treating indigestion, liver disease and rheumatism. Bird bone bending, external application can cure ear, eye, throat and skin diseases, and internal administration can stimulate appetite; Antelope horn, antler, coral and neem leaves can also be used as medicine. At that time, it was known that drilling holes in the skull to treat headaches and other diseases was a difficult brain surgery, indicating that the medical technology and equipment at that time had reached a fairly high level.