Guwahati (Assam) [India], January 23 (ANI): The world-famous toy train service and UNESCO Heritage Darjeeling Himalayan Railway (DHR) of Northern Frontier Railway has marked the highest ever earnings and passenger footfalls in the history of DHR during this financial year until December 2023, said an official release. According to an official release from the Chief Public Relations Officer, Sabyasachi De, NF Railway, Maligaon, “The DHR has recorded the highest ever revenue of nearly Rs 17.3 crore, surpassing all the previous records.” “The increased earnings were achieved because of the introd…