Explanation:

Chinese system is not under the Ayush System.
AYUSH is the acronym of the medical systems that are being practiced in India such as Ayurveda, Yoga & Naturopathy, Unani, Siddha and Homeopathy. It includes traditional & Non-Conventional Systems of Health Care and Healing Which Include Ayurveda, Yoga, Naturopathy, Unani, Siddha, Sowa-Rigpa and Homoeopathy etc.

Homeopathy, a system developed in Germany in 18th century quickly gained popularity and has got blended with the Indian traditional medical practices due to similarity in its holistic medical philosophy and principles. Naturopathy, a drug less system of healthy living practices of all civilizations got organized and also become part of the medical pluralism of the country.

Unani or Yunani medicine is Perso-Arabic tradtional medicine. Sowa-Rigpa is tibetian system of medicine.