Sonarpur Junction. Sonarpur Station is The Most Important Station Of Sealdah South. Except Sealdah - Budge Budge Local And Sealdah - B.B.D Bag Local All Trains Of Sealdah South Goes To Sonarpur. Total Number Of Platform Is 4. The Only EMU Carshed Of Sealdah South is Situated At Sonarpur And All 12 Coach EMU. Sonarpur is Junction. One Route Goes Towards Baruipur And One Route Goes Towards Canning.