how come Jai and Bani...............

how come Bani and Jai pass each other but never seen each other. they can sense each so quickly.
Waise i like to say that its only Bani who had suffered most. Atleast Jai is with his kids but Bani. Only one song comes to my mind on Bani's present state
dushman naa kare dost ne wo kaam kiyaa hai
umar bhar kaa gam humei inaam diyaa hai

toofaan mein hum ko chhod ke saahil pe aa gaye
naakhudaa kaa hum ne inhe naam diyaa hai

pahale to hosh chhin liye julma-o-sitam se
diwaanagee kaa fir humei iljaam diyaa hai

apane hee giraate hain nasheman pe bijaliyaan
gairo ne aa ke fir bhee use thaam diyaa hai

as you saw they have performed the Shradh, their body do not belong to their souls anymore so they couldn't feel each other's presence or better to say couldn't make their presence felt.

that scene was more symbolic