Mumbai Mail & Kurla Shalimar Express is famous for their offlinks, Now Gitanjali Express too started getting offlinks, although railfans rejoice whenever Gitanjali gets offlink!
(Attached images are of these 2 trains clicked by me over separate occasions)
Pic 01-02-03 - Howrah Mumbai Mail (via NGP) with offlink at HWH.
Pic 04 - Kurla Shalimar Express with offlink at NGP.