National Highways Authority Of India [NHAI] — Regarding Fast Tag

Address:

Tent house pataudi

Respected team,
I mohit singh chauhan want to know all the details how does the toll deduction works as i had Rs 89 in my fast tag balance and the amount deducted was to be 70 but they did not deduct the amount but asked me to pay 140 in cash the employee id of the person as stated by the employee was 0005 and the name of the person was Tejchand .
The toll was kherki daulah toll .
The contact number is [protected]
Car number - HR 76 4882