Delhi-Jaipur double decker train awaits green signal
http://www.hindustantimes.com/Delhi-Jaipur-double-decker-train-awaits-green-signal/Article1-715807.aspx
Railway announces 23 new trains; Durontos to Mumbai, double-decker to Jaipur
http://articles.timesofindia.indiatimes.com/2011-06-30/delhi/29720815_1_vivek-express-kavi-guru-express-passenger