This document provides details for the design of a Thai fine dining restaurant called Cassia Fistula located in Mumbai. It includes sections on the design brief, site layout analysis of an exemplar restaurant, concept, branding, area plans, layouts, elevations, and material details. The goal is to create an internationally inspired space with modern materials and lighting that seats 150 people and features private dining areas, a bar, and buffet counter consistent with the floral theme of Cassia, Thailand's national flower.