In this interview from Yale's Creating Change through Social Entrepreneurship course, Ruchit Nagar, CEO of Khushi Baby, describes how an idea developed in a Yale classroom grew into a large-scale digital health venture operating in India. Nagar explains how his organization built wearable and mobile technology to track maternal and child health records for underserved communities, and discusses the practical challenges of scaling a health-tech intervention across a large and varied population. The conversation covers the transition from a student project to an operating nonprofit, including decisions about technology design, partnerships, and measuring impact. Students hear a firsthand account of applying engineering and public health thinking together, illustrating how social entrepreneurship can combine technical innovation with grassroots implementation.