Suman Char joined the Darjeeling Himalayan Railway in 2007 after cracking the Railway Recrutiment Board exam and interview. He worked in the Indian state of Assam for two years before joining the Darjeeling Himalayan Railway's Kurseong office in 2009. He works as a Senior Section Engineer (Works In-Charge) and oversees all consturction-related work and repairs between Sukna station and Darjeeling.