Eastern Railway SC

Founded as "Eastern Bengal Railway Sports Club" in 1882, Eastern Railway began its journey as the recreational arm of Eastern Bengal Railway, and was operated predominantly by the British railwaymen and officials. In 1890s, they first participated in second division of the Calcutta Football League, and soon emerged as one of the dark horses in the competition, after gaining promotion to first division in 1913. It was a trend that only white-skinned players were allowed to don in club jerseys; Churchill, D'Silva, Joe Galbraith, and Curvy brothers were notable players at that time. In mid-1920s, Indians have been allowed to play in the club.

After becoming fully Indian club, Eastern Railway emerged as one of the strongest sides of the CFL, with players including Jamini Bandyopadhyay, Bechu Dutta, Pakhi Sen, Tulsi Das, Mohini Bandyopadhyay, and later Sahu Mewalal, Santosh Nandy, Ajit Nandy, Neelu Mukhopadhyay, and Karuna Majumder. They reached final of Durand Cup in 1927. The club later appeared in many top national tournaments like the IFA Shield, where they won the then top tournament in 1944. The club later won All-India Railway Championship thrice.

After Indian independence in 1947, Eastern Railway managed to reach final of Rovers Cup in 1949 but lost 3–0 to East Bengal in title decider. The club (then known as "East Indian Railway Accounts") later finished as runners-up in DCM Trophy too, twice in 1953 and 1957. In 1958, they again failed clinching title, beaten by Andhra Pradesh Police Club in final of Sait Nagjee Trophy in Kerala.

After multiple runner-up finishes, best ever success achieved by Eastern Railway came into reality in 1958, when they won prestigious Calcutta Football League title under coaching of Bagha Shome, and became the first team outside the "Big Three" of Kolkata to do so. The club later won several nationwide trophies in the late 1950s and 60s, including Madhya Pradesh Gold Cup, Kalinga Cup, Kumar Mangalam Challenge Trophy and others. In 1967, they won Bordoloi Trophy. Club former player and captain P. K. Banerjee managed Eastern Railway in 1971–72, before moving to the Kolkata giants East Bengal as head coach. The club was relegated from the CFL super division in 1985 after gaining thirteenth position.

In 2002, Eastern Railway toured to Nepal and participated in Birthday Cup, organized by the All Nepal Football Association, in which they reached semi-final. In 2005, the club clinched Trades Cup title with win against Wari AC in final. In 2007, they reached the final of prestigious Trades Cup, but was defeated by then I-League side Chirag United 3–1. Nirmalendu Debnath managed the club in 2010. In 2010s, Kazam Analytics Limited was roped in as club's principal sponsor.

In June 2023, the Indian Football Association (IFA) made an announcement that the merger of both Premier Division A and B of the Calcutta Football League was done ahead of its 125th edition, in which Eastern Railway was allowed to compete in group B. Prasanta Chakraborty managed the club in their first four league matches, until resigning after a 5–1 defeat to East Bengal on 27 July.