Yes, it's correct. You can report it now.
The layout of BNXR is like PF 1 and 3 (mostly for locals), and then come 2 and 4 (mostly for through trains and Budge Budge, Canning and Majherhat bound locals).
Out of these 1 and 2 are DDJ bound and 3 and 4 are SDAH bound trains.