Q. With reference to ancient Indian sciences and treatises, consider the following statements:
  1. Vagabhata authored both Astanga-sangraha and Astanga-hirdaya-samhita, which are foundational texts in Ayurveda.
  2. The Hastyayurveda focuses on the medicinal treatment of elephants, while Asvasastra addresses horse ailments.
  3. Nagarjuna is known for his contributions to metallurgy and is often associated with the development of alchemy.
How many of the above statements are correct?

Answer: All three
Notes: Thus, all statements are correct. The correct answer is (C) All three.