National Highways Authority Of India [NHAI] — No concession for local (8km) on Vallam (NH38) Toll Plaza

Address:

Durugam Village, Onnupuram Post, Arni Taluk, Tiruvannamalai, Tamil Nadu, 632315

I'm living near (8km) Vallam (NH38) Toll Plaza in Vellore District, Tamil Nadu. I went to register my car FasTag for local pass concession but the person who works in this toll plaza saying that your vehicle comes under other RDO circle rather than Vellore RDO. So You will not get concession and if you want, take monthly pass. Also said this toll plaza rule is different from other toll plazas.

Why should I take monthly pass for passing this toll maximum 3 or 4 times in a month?

FYI, this Toll exist in Vellore (south) border and within 1km, Tiruvannamalai District starts.

Here my question is,
1. Is that each toll plaza having different rules and conditions/guidelines?
2. As per central toll plaza guidelines, we can get concession if you are living within 20kms circle. Is that still applicable for all over the India or rather considering RDO registration?
3. What is guidelines for those who stays in border of two districts?

Please clarify.

Regards,
Nethaji
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[protected]@gmail.com