India has the world’s largest burden of Tuberculosis (TB), accounting for 26 percent of the global burden. This policy brief documents India’s TB private sector engagement (PSE) journey from donor funded pilots to national scale-up through domestic budgets (2012–2021). The policy brief synthesizes key policy reforms and implementation insights garnered from the process, and presents the way forward as the country moves to further deepen the design and implementation of PSE at scale.