National Highways Authority Of India [NHAI] — extra charge deducted at dilata toll plaza

Fullara toll plaza, distt seoni mp, deducted double amount which mention there n informed by the worker, worker inform i[censored] have fastag the charge deducted 30 rs otherwise 55.00 rs, which i have so i use it and also in display that showing the 30 rs charged but later i got massage for 55.00 rs. Next day when i pass from there i ask him so he refused and tell i don't know how much charged in fastag.