Dalhana was a medieval commentator on the Sushruta Samhita, an early (Gupta era) text on Indian medicine. Dalhana's commentary is known as the Nibandha Samgraha. It compiles the views of a large numbers of authors and commentators on text who lived befor Dalhana.
The date of Dalhana's work is determined by his quoting Cakrapani (fl. 1060) and his being quoted by Hemadri (fl. 1260), placing him between the late 11th and the early 13th century. 
- Surendranath Dasgupta, A history of Indian philosophy, 1968, p. 427.
- P. V. Sharma (1982), Dalhana and his Comments on Drugs, New Delhi, India Munshiram Manoharlal Publishers, ISBN 9788121501590.
- P. V. Sharma (1999), Susruta-Samhita: With English Translation of Text and Dalhana's Commentary Along with Critical Notes, 3 Vols. Vol. I: Sutrasthana, Vol. II: Kalpasthana and Uttaratantra, Vol. III: Nidana, Sarira and Cikitsasthana; Chowkhamba Visvabharati; Varanasi.