Here is the link to the RDSO report where you will find the long list of modification that needs to be done in the power car/EOG and the coaches of any rake if it has to run with a HOG Enabled Locomotive. I am saying ''HOG Enabled'' means the the rake is getting power from hotel load converter not from EOG. Recently Siemens has done these modifications in the rakes of some ER's trains like SDAH Rajdhani and Ranchi Shatabdi so that they could run with HOG ENABLED loco in coming days.
click hereBTW May I ask, what's the reason of that "Hahahaha"?