Figure 1.Study team and collaborative framework of the BHARAT study. Schematic representation of the hub-and-spoke collaborative model underpinning the BHARAT study, conducted under the Longevity India initiative. The Indian Institute of Science (IISc) functions as the central hub, providing advanced laboratory infrastructure, centralized biobanking, AI/ML and computational frameworks, and secure data storage and governance. Multiple regional clinical partners serve as spokes, facilitating participant recruitment, clinical phenotyping, and the collection of primary data and biospecimens.