The Old Guest House at IIT Bombay, often referred to as the "Old Guest House" or "Tansa House," has been an integral part of the campus, providing accommodation for visiting faculty, scholars, and guests. It features a simple yet elegant architectural design that harmonises with the overall campus aesthetics. The Old Guest House at IIT Bombay, often referred to as the "Old Guest House" or "Tansa House," has been an integral part of the campus, providing accommodation for visiting faculty, scholars, and guests. It features a simple yet elegant architectural design that harmonises with the overall campus aesthetics. It is intended to provide guests with a cosy and friendly atmosphere. The multi-story building has both single- and double-occupancy rooms among its several accommodation options. It has common areas for eating and relaxing. The guest house has a timeless appearance because it was built using sturdy materials like brick and concrete. The interior is designed to be functional and comfortable, with rooms furnished with basic amenities such as beds, study tables, chairs, and wardrobes.