Order of the Punjab State Electricity Regulatory Commission in the matter of Nabha Power Limited Vs Punjab State Power Corporation Ltd. dated 09/01/2019. Nabha Power Limited (NPL), has filed the present petition under Section 86 (1) (b) read with Section 86 (1) (f) of the Electricity Act, 2003 and Article 13 of the Power Purchase Agreement (PPA) dated 18.01.2010 executed by NPL and Punjab State Power Corporation Limited (PSPCL) for the approval and consequent tariff adjustment due to a „Change in Law‟ event viz. the introduction of new environmental norms by the Environment (Protection) Amendment Rules, 2015 issued by the Ministry of Environment, Forest and Climate Change dated 07.12.2015, impacting the revenues and costs of NPL during the operating period under the Power Purchase Agreement dated 18.01.2010.