producing therewith various additional documents. In W.A.No.811 of 2023 appellant produced Annexure A1 additional document along with I.A.No.1 of 2023, at the time of filing of the writ appeal, which was followed by production of Annexures 2 to 33 as additional documents along with I.A.Nos.2 of 2023 to 14 of 2023. Similarly, in W.A.No.813 of 2023, in addition to Annexure 1 document produced along with I. A.No.1 of 2023, the appellant produced Annexures 2 to 8 along with I.A.No.2 of 2023 and thereafter Annexures 14 to 21 as additional documents along with I.A.Nos.2 of 2023 and 6 of 2023. 70. In Baby Joseph and others v. Kerala State Electricity Board and others [2016 (4) KHC 251] , a Division Bench of this Court, in which one among us [Anil K. Narendran, J.] was a party, held that in an appeal filed under S.5 of the Kerala High Court Act, 1958 admission of additional evidence is permissible, by invoking the provisions under Order XLI, Rule 27 of the Code of Civil Procedure, 1908. However, such power can be exercised only in cases where the appellant has established grounds necessary for such exercise, as contemplated under Order XLI Rule 27 of the Code. Therefore, the writ petition should contain the basic pleadings necessary for admission of such additional evidence and the appellant has also to satisfy the Court that, though such an issue was raised in the writ petition, notwithstanding the exercise of due diligence, such documents were not within his knowledge or could not after the exercise of due diligence, be produced before the learned Single Judge at the time when the judgment appealed against