108 Years Old Monorail used by Maharaja of Patiala is now operational at National Rail Museum, New Delhi. This monorail hauled by steam locomotives is one of its kind in the world. Indian Railways rich heritage is open for visitors at National Rail Museum (NRM), Chanakayapuri, New Delhi. One important heritage attraction at NRM is 108 yrs old monorail which was used by Maharaja of Patiala, Lt. Shri Bhupinder Singh. PSMT was run between Patiala and Sunam from 1908 to 1914. It was also used by gen