I have posted about the same 4 days ago.
/blog/post/5468235
By this both the UP and DOWN direction trains of BPL-NGP section can bypass ET very easily. And considering the congestion even Non Stop trains faces at ET. It is safe to say that almost 20-40 minutes can be saved here. Because even the trains that do not have halt at ET...
more... coming from NGP side sometimes has to stop at outer.