What a timings of departure from Santragachi!!!!
22855 SRC TPTY departs at 1605hrs and this will depart at 1610hrs.
Not possible at all.
Because P-2 is used for Onward Trains from SRC while P-1 is used for passing EMU's/EXpress trains towards SHM while P-3 are EMU's/Express trains from Howrah.
Hence...
more... this train has to depart from P-1 or it will start late which looks highly possible from the Arrival timings at PUNE(245am)