Although this train does not run now. However due to heavy rush and public demand train number 04780 departs from SGNR station at 19:15 hrs. The same rack departs from HMH to SDLP at 21:15 hrs as different train number 04778.
Also train number 04779 departs from HMH and goes to SGNR at 17:40 hrs.
Please check the following link.
click here