Type Tamil Font in Windows Forms (WinForms) Application using C# and VB.Net

tamil text 'ரூபாய்' accept in text box but it not accept in code behind when i debug it show like '+gha]'

My code:

 private void button_Submit_Click(object sender, EventArgs e)
        {
            // Tamil-Aiswarya, 16pt Font Name


            string text = @textBox_Suggest.Text;
            MessageBox.Show(text);
        }