vikap will be applied to trains where 1st charting is yet to happen, here 13152 1st charting happened before your original train 12380.
.
PNR xyz, Train B
1. Train A, Charting 10.50am
2....
more... Train B, Charting 11am
3. Train C, Charting 11.20 am
4. Train D, Charting 11.40 am
in this scenario, Vikalp for Train B is applicable to train C, D only