Tata Steel is one of the few global companies on the prestigious Global Lighthouse Network for its advanced digital manufacturing systems - and it was the first Indian company on the list. The vision of a digitally integrated manufacturing facility was introduced when the Tata Steel Kalinganagar plant (TSK) was conceptualized in 2006. The subsequent implementation and continuous upgrade of the facility has made it a global benchmark. This case study on TSK's journey can guide other companies to overcome challenges in upgrading systems, using artificial intelligence and big data analytics to increase efficiency and drive innovation.