How to read marathi pdf using c# and store it in Excel as table format.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
//for read pdf in C#
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.parser;
//for excel workbook
using Spire.Xls;
using Spire.Xls.Charts;
using System.IO;
using iTextSharp.text;
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        public string ReadPdfFile(string fileName)
        {
            StringBuilder text = new StringBuilder();

            if (System.IO.File.Exists(fileName))
            {
                PdfReader pdfReader = new PdfReader(fileName);
                Workbook workbook = new Workbook();
              
                //workbook.LoadFromFile("F:/finalexcel.xls");
                Worksheet sheet = workbook.Worksheets[0];
                sheet.Range["A1"].Text = "ओळखपत्र क्रमांक";
                sheet.Range["B1"].Text = "मतदाराचे पुर्ण नाव";
                sheet.Range["C1"].Text = "वडिलांचे नाव";
                sheet.Range["D1"].Text = "घर क्रमांक";
                sheet.Range["E1"].Text = "वय";
                sheet.Range["F1"].Text = "लिंग ";
                for (int page =1; page <= pdfReader.NumberOfPages; page++)
                {
                    ITextExtractionStrategy strategy = new SimpleTextExtractionStrategy();
                    //ITextExtractionStrategy strategy = new LocationTextExtractionStrategy();
                    string currentText = PdfTextExtractor.GetTextFromPage(pdfReader, page, strategy);
                    
                    //string currentText = PdfTextExtractor.GetTextFromPage(pdfReader, page, strategy);
                    currentText = Encoding.UTF8.GetString(ASCIIEncoding.Convert(Encoding.Unicode, Encoding.Unicode, Encoding.UTF8.GetBytes(currentText)));
                    //MessageBox.Show(currentText);
                    int ab = 2;
                    int cd = 2;
                    int ef = 2;
                    int gh = 2;
                    int ij = 2;
                    int kl = 2;
                    string[] a = currentText.Split('\n');
                    //string[] b = currentText.Split("लऱंग").ToString();
                    //  string[] b = currentText.Split('\n');
                    foreach (var item in a)
                    {
                        //MessageBox.Show(item);
                        if (item.Contains(":"))
                        {
                            string[] sample = item.Split(':');
                            if (sample[1].Length > 1 && sample[0].Contains("मतदार"))
                            {
                                sheet.Range["B" + ab].Text = sample[1];
                                ab++;
                            }
                            if (sample[1].Length > 1 && sample[0].Contains("ळडडऱांचे नाळ"))
                            {
                                sheet.Range["C" + cd].Text = sample[1];
                                cd++;
                            }
                            if (sample[1].Length > 1 && sample[0].Contains("घर क्रमांक"))
                            {
                                sheet.Range["D" + ef].Text = sample[1];
                                ef++;
                            }
                            if (sample[1].Length > 1 && sample[0].Contains("ळय"))
                            {
                                //MessageBox.Show(sample[1]);
                                string[] xyz = sample[1].Split(' ');
                                //MessageBox.Show(xyz[0]);
                                //sheet.Range["D" + gh].Text = xyz[0];
                                sheet.Range["E" + gh].Text = xyz[2];
                                sheet.Range["F" + ij].Text = sample[2];

                                gh++;
                                ij++;
                            }
                            if (sample[1].Length > 1 && sample[0].Contains("लऱंग"))
                            {
                                //MessageBox.Show("a");


                            }

                        }
                        else
                        {
                            //string[] sample = item.Split(' ');
                            if (!item.Contains("नाळ"))
                            {
                                sheet.Range["a" + kl].Text = item;
                                kl++;
                            }
                        
                        }
                        //ab++;
                    }
                    workbook.SaveToFile("F:/finalexel.xls");
                    text.Append(currentText);
                }
                textBox1.Text = text.ToString();
                pdfReader.Close();
            }
            return (text.ToString()).Trim();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            textBox1.Text = ReadPdfFile("F:/Beed-003.pdf");
         //ChangeFont();
        }