The webinar session was started by delivering welcome address by Mr. Ramamurthi DS (AP / Civil). The speaker initiated his speech with the evolution of concrete from ancient ages to current decade. He clearly explained all the possible ways of manufacturing and the importance of the evolution of special concrete in this modern era. He concluded his speech through explaining the need and development in the concrete world which boosts the development of construction field. The webinar session was closed by Mr. Ramamurthi DS through delivering his vote of thanks.