South India's Largest Construction Fair Conducted By CODISSIA.. Construction involves the art, trade and work of a building. Behind this genre of creation are the effort, dedication and intelligence of many hands and many brains. In effect, each building is an idea erected to the sky; with the perfect synchronized support of those hands of construction industry. BUILD INTEC 2020, an international construction expo, is conceived to bring together the powers, which render life to the art of construction, under one roof.