I know the concept of Rajdhani Express:-Connecting Indian Capital To Other State Capital & My Purpose Of This Rajdhani Express Is Connect Mathura,Birth Place Of Lord Krishna To Small Parts Of Jharkhand & West Bengal Like Garwa Road,Daltonganj,Barkakana & Muri & Also Kharagpur But I Know That Kalinga Utkal Express Connecting Mathura-Kharagpur.