This chapter offers a detailed and contextually grounded examination of resource mobilization within social enterprises (SEs), emphasizing the criticality of financial, social, and institutional resources in sustaining mission-driven ventures. Recognizing that SEs typically begin with limited financial capital, often personal savings, informal loans, or volunteer support, the chapter frames resource mobilization as both a necessity and a creative process. It highlights how SEs often rely on bricolage, or “making do” with available resources, including underutilized public infrastructure, repurposed tools, community labor, and stakeholder networks to innovate under constraint. The chapter situates this practice within a broader multi-theoretical framework, drawing from resource dependence theory (RDT), social embeddedness, legitimacy, entrepreneurial orientation (EO), and bricolage theory. These frameworks offer nuanced insights into how SEs build trust, legitimacy, and reciprocal relationships with local communities, governments, and social investors. Particularly, the concept of social bricolage emphasizes co-creation, persuasion, and stakeholder participation to achieve social impact in resource-constrained environments. Case studies such as DASRA, BASIX, and Mann Deshi Mahila Bank illustrate diverse approaches to resource mobilization. DASRA represents a pioneering venture philanthropy model that integrates strategic giving, impact measurement, and leadership development to support scalable SEs. BASIX showcases diversification and innovation in rural finance and livelihood promotion, while Mann Deshi Bank demonstrates community-led financial inclusion through customized, biometric-based banking solutions for rural women. These cases reflect not only the varied pathways of resource acquisition but also the embeddedness of SEs in local socio-economic contexts.