This is not the first HOG for ICF coaches.
The Tirupati-Madras Central Saptagiri express ran with unique Self-generating ICF coaches that were modified for HOG. Some WAP1 and WAM4 at AJJ shed were modified to supply power to these HOG rakes.
I...
more... believe the Lucknow-Bhopal and Lucknow-Raipur Garibraths also ran with HOG for a while. HOG equipped EMD locos were used for these.