Organised by the Confederation of Indian Industry (CII), in association with the Ministry of Railways, Government of India, the International Railway Equipment Exhibition (IREE) is the only international event in India for the Railway and its related sectors. The Indian Railways participate in the IREE in a big way, displaying their capabilities and future requirements. The IREE attracts participation and visitors from around 20 countries.

The first IREE was held in the year 1990 in Kolkata, with 55 exhibitors from India and overseas. The focus was Indian Railway's upgradation, modernization, electrification and computerization. The second IREE was held in the year 1994, again in Kolkata, with around 100 exhibitors.