foreach (var itemdata in pdflist)
            {
                Ocr ocr = new Ocr();
                InitWebApp();
                using (var doc = PdfDocument.Load(itemdata))
                {
                    using (var page = doc.Pages[0])
                    {
                        templateId = Convert.ToInt32(cmbSelTemplate.SelectedValue);
                        List<Ocr> tempMetadata = mapperController.GetOcrMetadata(templateId);//templateMetadata gets the list of coordinates i.e. left,top,right,bottom
                        //delcare a dict with key and value string key-name
                        Dictionary<string, string> ocrTemp = new Dictionary<string, string>();
                        foreach (var item in tempMetadata)
                        {
                            var textInfo = page.Text.GetBoundedText(Convert.ToInt32(item.Left ), Convert.ToInt32(item.Top), Convert.ToInt32((item.Right - item.Left) ), Convert.ToInt32((item.Bottom - item.Top) ));
                            ocrTemp.Add(item.Name, textInfo);
                        }
                        CreateXML(itemdata, ocrTemp);
                    }
                }
            }

 OcrApi.LicenseKey = ConfigurationManager.AppSettings["LicenseKeyOcr"];
            using (var api = OcrApi.Create())
            {
                templateId = Convert.ToInt32(cmbSelTemplate.SelectedValue);
                List<Ocr> tempMetadata = mapperController.GetOcrMetadata(templateId);
                foreach (var item in tempMetadata)
                {
                    api.Init(Languages.English);
                   
                    var rect = new Rectangle(Convert.ToInt32(item.Left), Convert.ToInt32(item.Top), Convert.ToInt32((item.Right - item.Left)), Convert.ToInt32((item.Bottom - item.Top)));
                    
                    string plainText = api.GetTextFromImage(filepath, rect.Location.X,rect.Location.Y,rect.Size.Width,rect.Size.Height);
                   ocrTemp.Add(item.Name, plainText);
                }
                return ocrTemp;
            }

 public void PdfCreationFromImage(List<string> imagePathList)
        {

            OcrApi.LicenseKey = ConfigurationManager.AppSettings["LicenseKeyOcr"];
            using (var api = OcrApi.Create())
            {
                api.Init(Languages.English);
                //Create the renderer to PDF file output. The extension will be added automatically
                using (var renderer = OcrPdfRenderer.Create("Template_pdf_file", @"~\DigiSync\DigiSync.Manager\TemplateOutput\"))
                {
                    renderer.BeginDocument("Title");
//imagePathList is a list of image path which i want to combine to form a single PDF
                    foreach (var item in imagePathList)
                    {
                        api.ProcessPages(item, null, 0, renderer);
                    }
                    renderer.EndDocument();
                }
            }

        }