 Nagda to Muttra Junction was opened in 1909, making possible through broad-gauge running between Bombay and Delhi.The metre-gauge system was originally the Rajputana Malwa State Railway and was taken over subsequently by the BB&CI.The metre-gauge main line from Delhi to Jaipur was completed in 1874, extended to Ajmer in 1875 and to Ahmedabad in 1881.