Golconda Ashram is a guest house in Pondicherry, India designed by George Nakashima and Antonin Raymond in 1942. It was one of the earliest examples of sustainable modern architecture, using reinforced concrete construction and passive design principles like cross ventilation. The simple layout featured single rooms arranged along north-facing galleries, with adjustable louvers, skylights and staggered doors to maximize air flow. Construction took nearly a decade to complete due to inexperienced crews and political unrest. The ashram prioritized environmental sensitivity and radical economy through its design and building methods.