The building was designed with the shape of Delonix regia. Gulmohar is a common name for the flowering plant "Delonix regia". The tree has small deep green leaves, superficially similar to "Delonix regia". Known locally as "semarak api", "Delonix regia" is the city flower of Sepang, Selangor, Malaysia. They introduced chillies, delonix regia, guavas, pineapples, papayas and Alfonso mangoes to Bengal. Favoured nest trees in urban areas include gulmohur ("Delonix regia") and African tulip ("Spathodea campanulata").