Normally It Platfrm 2 only. Xing is officially done at GNU(3) ONly.
but In Reality Crossing is being done at NUR(2), SNP(2,3), GNU(3), SMK(2,3), PNP(3,4), KUN(2,3).
But it always go on Platform 3 at GNU even if Xing happens or not.
I am daily pass over DLI KUN Route.