Source :
click hereExcerpts from the book : Locomotive, Railway Carriage and Wagon Review, Volume 35, Issues 437-442 ( The full book is not available online due to copy right issues by the Library, however, one can search through the book on Google books)
The run was shortened to Lahore-Mettupalayam by March 1st, 1930 and further shortened to Madras-Delhi by September 1st, 1930.