National Highways Authority Of India [NHAI] — problems at toll plazas

Address:

Darjeeling, West Bengal, 734001

Sir I m from Siliguri west Bengal
Sir we are facing problems at toll plazas between Kolkata and Siliguri.
1.The condition of road between one plaza to another is very poor so many ditches on the road causing breakdown of vehicle getting financial losses

2.The distance between one toll to another is about 50k.m.sir is it correct as per law.

3.The plaza S hired some extra person who are looking only the drivers should not argue with plaza employees about late at yellow lane more than 10/15 minutes, and if we try to go without paying toll for late or wait the hired person assault us and force to pay, in this situation what to do please confirm.

4.At present the rates for overload are 10times of toll, but recently our Hon'ble minister gave some relaxation
What are those relaxations please confirm.