public ActionResult Index(int?page)
        {
            List <OrganizationModel> result = _organisations.GetOrganisationsModel(LoggedInUser);

            var pageSize   = _configurationService.ManageOrganizationsPageSize;
            var pageNumber = page ?? 1;

            ViewBag.PreviousUrl = Url.Action("AdminDashboard", "Home");
            return(View(result.ToPagedList(pageNumber, pageSize)));
        }