JUDGMENT

Jayant Nath, J. The present Letters Patent Appeal is filed seeking to impugn the order dated 14.10.2015 passed by the learned Single Judge in a Writ Petition filed by the appellants seeking a Writ of Certiorari for setting aside the decision dated 30.9.2015 and Writ of Mandamus commanding the respondents not to encash the bank guarantee dated 27.3.2015.

2. Some of the relevant brief facts are that respondent No.1 Petroleum and Natural Gas Regulatory Board (PNGRB) invited application-cum-bid for grant of authorization for laying, building, operating or expanding the Natural Gas Pipelines from Surat (Gujarat) to Paradeep (Odisha) spanning 1500 kms excluding the spur-lines. The appellant was the successful bidder and was granted authorization by respondent No.1 for the said project vide communication dated 25.04.2012.

3. The respondent No.1 Board in terms of the Petroleum and Natural Gas Regulatory Board Act, 2006 (PNGRB Act, 2006) is authorized to frame various regulations. One of the regulations which is relevant for the present petition is the PNGRB (authorizing entities to lay, build, operate or expand natural gas pipelines) (Regulations, 2008) (hereinafter referred t