National Highways Authority Of India [NHAI] — Kherki Daula Plaza

Today I crossed Kherki Daula Plaza @Approx 7 PM. When I was crossing after scanning the Fastag, the rodd fell down on my vehicle.
One of the staff came running and started inputting my vehicle number in his system as if I was running away without paying tax. Later I stopped vehicle and checked. I found that it has damaged body of the car and rear Glass.
When I asked him why it fell down while I was crossing, he replied Please talk to my supervisor regarding this. When I went to talk to that guy, he simply said that the bike crossed that's why it fell down. I cannot help you in this.
Now my questions are
1. Why so many people are there if they cannot help.
2. If it is common, why are they not stopping bikers if such incident happens.
3. My vehicle is only three months old, who will pay the loss?
Thank you