Date:- 9th Aug, 2021
Finally Tambaram to Chengalpattu Tripling Update from my side.
It ended up on traveling 02605 Pallavan Covid SPL lead by ED WAP7 30717.
Being...
more... down line, TBM interlocking alignment might not be understandable, so attached a diagrametric representation (Facing CGL direction).
Do check it out in my video and other updates of 3rd line!!