2014 — Aastha, a project supported by the Bill & Melinda Gates Foundation and implemented by FHI 360, focuses on prevention of HIV and other sexually transmitted infections among high-risk groups of women, men and transgender individuals in Mumbai and Thane. The project has been recognized for its quality and community engagement approach. This resource captures the processes involved in Aastha strategies and approaches. The document can be used by other organizations working with high-risk groups to find new avenues to achieve their targets.