Exterior portable cabin is a spacious cabin which can be transported from one place to another for different project works. MDF board, MS or GI sheets are used for the construction of this cabin. This cabin can be developed in the dimensions that clients require. The provision of windows and doors is given for convenience and proper ventilation. The cabin can be used in so many ways, for instance as a site office, site accommodation, medical facility at trade fairs, and on-site warehouse. Integrated electric wiring, switch boards are provided for the convenience of the people. Once installed on-site, the cabin can be connected to a DG set for providing lighting and power devices and electrical appliances.