This document provides a case study summary of the Indian Habitat Centre in New Delhi. It is a 97,000 square meter multi-purpose building spread over 9 acres that provides office, conference, and exhibition space for environment and habitat organizations. The design aims to create a healthy and pleasant environment for visitors and employees. It is an energy efficient building that uses various passive design strategies like courtyards, water bodies, reflective shading devices, and vegetation to reduce energy usage and create a comfortable microclimate. The building layout and use of spaces like the amphitheater, lawns, and courtyards encourage social interactions.