Which one of the following pairs is not correctly matched? Railway Zone - Headquarters

1. This question asks to identify the incorrectly matched pair of Railway Zone and its Headquarters. 2. (A) North Eastern Railway - Gorakhpur: This is correctly matched. 3. (B) South Eastern Railway - Bhubaneshwar: This is incorrectly matched. The headquarters of South Eastern Railway is in Kolkata (Garden Reach). Bhubaneshwar is the headquarters of the East Coast Railway. 4. (C) Eastern Railway - Kolkata: This is correctly matched. 5. (D) South East Central Railway - Bilaspur: This is correctly matched. 6. Therefore, the pair South Eastern Railway - Bhubaneshwar is not correctly matched.