The ministry had, in September, held that Petroleum and Natural Gas Regulatory Board (PNGRB) approval is not needed for setting up CNG selling stations and companies were free to set up CNG pumps across cities.
It, however, yesterday issued a fresh order saying it "is in the process of formulating guidelines relating to grant of rights to entities for sale of CNG as transportation fuel through their CNG stations."
The Ministry had on September 16, 2013 issued an order saying "no authorisation from PNGRB is required for setting up of a CNG station."
Order which was issued to state-owned GAIL India Ltd - the nation's largest gas distributor, came as a surprise as PNGRB had since 2009 been issuing licences to entities for city gas distribution (CGD) networks, essentially for retailing CNG to automobiles and piped cooking gas (piped natural gas or PNG) to households.
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The fresh directive of February 5 too has been issued to GAIL Chairman.
Sources in the ministry said the September 16 letter was in response to GAIL writing to the Oil Secretary asking if in terms of PNGRB Act, 2006, CNG stations are integral part of CGD network or not.
"The issue was examined in the Ministry in consultation with the Department of Legal Affairs, Ministry of Law & Justice," the Ministry had said while passing the directive on CNG stations not coming under purview of PNGRB.
Bids were due on February 11 but the regulator has extended the deadline by three months to May 12.
This is the fifth round of CGD bidding, with the previous fourth round that was announced in September 2010, scrapped in November 2011.
PNGRB had invited bids in 2009 for 13 cities in first two rounds. It hasn't been able to award most of the cities offered in third round because of litigations.