The Mothers' Market (Ima Keithel) of Manipur represents one of the world's oldest and largest women-managed marketplaces and stands as a remarkable example of women-led development. For more than five centuries, the market has served not only as a centre of trade but also as a platform for entrepreneurship, financial inclusion, social capital formation, and cultural preservation. This article examines the unique features of Ima Keithel and explores the lessons it offers for promoting inclusive and sustainable development across India. Despite challenges, the resilience of women vendors continues to sustain the institution. The experience of Ima Keithel highlights the importance of women-led enterprises, financial inclusion, local entrepreneurship, and community-based development in achieving long-term socio-economic transformation.