National Highways Authority Of India [NHAI] — Excess charging at Toll Plaza

On 3.2.2021, I crossed the Chengappally Toll Plaza (Coimbatore TamilNadu) at10.45 Am. The same day I returned at 1.14 pm (less than Three Hours)

The Two way to be charged is only Rs 85 but I was charged Rs 200 (100+100 both ways)

The screen shot of the message attached

The excess amount needs to be refunded

Pl do the needful immediately