Barddhaman - Sealdah Local exiting Palsit.
Here Down main line/up main line is Intermediate Block (denoted by IB) i.e SM controlled starter with telephone box at the foot of signal post),
while...
more... Reverse line is flag/halt type and the signal is Permissive (denoted by P) i.e without SM control & behaving as Distant signal
#emuER