Section 2(1)(j) in Petroleum and Natural Gas Regulatory Board (Determination of Natural Gas Pipeline Tariff) Regulations, 2008
(j)[ "tariff zones for unified tariff" means the - [Inserted by Notification No. F. No. PNGRB/COM/2-NGPL/Tariff (3)/2014 Vol-IV(Part-1) (P-1439), dated 23.11.2020 (w.e.f. 20.11.2008).](i)first tariff zone for unified tariff of a length of three hundred kilometres from the unified entry point on either side of the national gas grid system; or(ii)second tariff zone for unified tariff, being the remaining length of the national gas grid system on either side of first tariff zone for unified tariff: