Step 1: Recall the railway zones of India and their headquarters. Indian Railways is divided into several zones.
Step 2: Identify the headquarters for the East-Central Railway Zone. The headquarters of the East-Central Railway (ECR) zone is located at Hajipur, Bihar.
Step 3: Note the headquarters of other zones in the options for context: Jabalpur (West Central), Gorakhpur (North Eastern), Allahabad/Prayagraj (North Central).