Trains stopping on 3rd Platform have double sided exit i.e a platform like structure exists on left side (towards COA) - presumably to facilitate easy exit of passengers and unloading of goods, which is updated on IRI by over enthusiastic RFs as 4th platform! I will post a picture next time I visit the area or from Bhanugudi ROB. But I agree with you that only 3 PFs should be updated, to reflect the ground reality.