The 12283 / 12284 Ernakulam Junction - Hazrat Nizamuddin Duronto Superfast Express is a weekly Duronto Express category train that runs between Ernakulam in Kerala, and the national capital New Delhi. It is the longest running Durunto Express in India. It runs through the scenic Konkan Railway. This was the first Duronto express to Kerala and the longest running Duronto express in Indian Railways. It is one of the fastest Duronto express trains.