commence from the date of the impugned judgment, that is, 11.01.2022. 2. Respondent no. 1 - WFRPL and respondent no. 3 – Power Trading Company India Limited16 had entered into five Power Purchase Agreements17 dated 21.07.2017. Vide each of the said PPA, WFRPL had agreed to establish a 50 MW wind power unit and generate to supply renewable (wind) power to PTC. The 13 “SECI”, for short. 14 “APTEL”, for short. 15 “WFRPL”, for short. 16 “PTC”, for short. 17 “PPA”, for short. 8appellant – SECI is the implementing agency for the project, being the nodal agency of the Central Government to promote renewable energy such as solar, wind etc. The Scheduled Commercial Operation Date18/commissioning was 04.10.2018, 18 months from the date of the Letter of Award19 dated 05.04.2017. Further, WFRPL was entitled to an additional time with liquidated damages and reduction in tariff of upto 9 months, that is till 05.07.2019. The commissioning deadline or maximum period allowed for commissioning was 27