Supreme Court are not fulfilled in the instant case and, therefore, the Appellant is precluded from basing its claim under said provision of law. It was further argued that this Tribunal has in catena of judgements held that unilateral injection of power into grid in the absence of contract or authorization creates grid indiscipline and no claim for credit of such power can be entertained under the provisions of non-gratuitous delivery under Section 70 of Contract Act. The Appellant’s Counsel referred to Clause 5 of Regulation No. 2 issued by the 1st Respondent Commission in exercise of powers under Section 42 of the Electricity Act, 2003, which provided for an application process for grant of STOA and LTOA. He argued that when a statute provides for a particular manner of doing a thing, that has to be done in that particular manner or otherwise doing of the act shall have to be deemed is unlawful and therefore the injection of power by Appellant into the grid without specific authorization of SLDC being totally unlawful, no credit for the same can be given. In this regard, the Learned Counsel cited the judgements of this Tribunal in Kamachi Sponge & Power Corporation Ltd. Vs. Tamil Nadu Generation and Distribution Corporation Ltd. & Ors. in Appeal No. 120 of 2016 decided on 8th May, 2017, Renew Wind Energy (Andhra Pradesh) Private Limited Vs Karnataka Electricity & Regulatory Commission and Ors. in Appeal No. 117 of 2016 decided on 30th September. 2017 and M/s Indo