The world’s new largest office building is bigger than the Pentagon
https://edition.cnn.com/style/india-largest-office-building-surat-diamond-bourse/index.html
Even though there is the office that is bigger than Pentagon in Surat, there is no urban railway
or BRT system which can let workers commute to the office. So, before traffic jam becomes severe, Surat should prepare for urban rails or BRT systems.