Is it a SF train or high clas train???
If its SF then few records unbeaten till now
1. NZM -JHS within 296 mins by TN
2. NZM -AGC within 126 mins by TN
3....
more... GWL -AGC within 75 mins by AP
4. AGC -JHS within 140 mins by KSK
5. JHS -BPL within 190 mins by AP
6. BINA -BPL within 89 mins by TN