S3 is a result of  Sahyadri’s aim to build sustainable construction resources based on the concept of green technology. S3, a prefabricated modular construction system is a combination of great design with high-performance mechanisms and quality-controlled manufacturing procedures. It is an erect-on-site, pre-engineered building technology, and the advanced features of the dry and fast-track construction system make it sturdy, reliable and easy-to-move. Comprising of beams and columns, wall panels, flooring panels and roof panels, “S3 walls” are extremely easy to assemble, are durable, cost-effective, and arise as a speedy, safe, efficient and sustainable construction solution.