National Highways Authority Of India [NHAI] — Irresponsible treatment of public without scanning the fastag

We are returning from madurai to Trichy in my own car TN68Z7133 while entering Trichy the toll plaza the people won’t react good treating they told I m not having balance in my fastag I showed to them but they treat me like a dog they closed the counter and went away by blocking my car with steel Gaurd’s I felt bad And I gave reply in same manner that I removed the steel Gaurd and went away without paying.