An entirely new thing to me. Something called 'Track Recording Car' which was attached at the end of 13050 on 12th September, 2015.
Not sure what it does. It had some diesel powered mechanism installed within it just like EOGs (it was sounding like EOGs and sometimes was smoking). Also I could see some computer screens inside (couldn't take the snap). Look is very much LHB, but probably It's actually not as it was coupled with ICF coaches.
Any one having any idea please put some light on it.