Dr. Aparna Singh discusses Dhatu Sarata, which examines the physical and psychological characteristics of an individual to determine their strength. Sara Pariksha analyzes the quality of tissues in Ayurveda. Eight types of Sara are described based on the predominance of particular tissues - Rakta, Mamsa, Meda, Asthi, Majja, Shukra, Satva, and Tvak. Sara serves as an important diagnostic tool to assess strength and immunity. Characteristics and features of individuals with different Sara types are provided.