Section 19(2)(a) in The Petroleum and Natural Gas Regulatory Board (Authorizing Entities to Lay, Build, Operate or Expand Natural Gas Pipelines) Regulations, 2008
(a)the entity proposing to lay, build, operate or expand a dedicated pipeline to transport natural gas to a specific customer after the appointed day shall submit details on pipeline length, route, capacity and details of the customers served along with the DFR of the project to the Board at least thirty days before the proposed commencement of laying and building of the dedicated pipeline;