Swami Nath Mishra examines the Aushadhi Kaivalya Prakash (औषधिकैवल्यप्रकाश:), a Sanskrit Ayurvedic treatise on the kaivalya — independent or singular — action of medicinal substances (aushadhi), exploring how specific herbs or preparations operate without requiring combination therapy. The work, running to 448 pages, was published by Chaukhambha Orientalia, Delhi, in 2011.