The 4th ICI-ACECON was held under the heading of "Ecstasy in Concrete" from 8-10th October 2015. Numerous international and national speakers came together to report on the latest developments and trends in the area of structural concrete. Topics were discussed such as the innovative use of concrete in residential construction and infrastructure, the most recent developments in concrete design and technol- ogy, results from research and sustainability issues. ICI, the Indian Concrete Institute, hosted the conference. CPI was media partner at this congress.