function ColorChange()
    {
     var ddl=document.getElementById("dropdown").value;
     var e = document.getElementById("dropdown"); 
     var strText = e.options[e.selectedIndex].text;
      e.options[e.selectedIndex].style.color = "red"
    if (strText=="c")
    {
    //Particular text will dispay with pink color
      e.options[e.selectedIndex].style.color = "pink";
      }
    else
    {
    //selected text will display with RED Color 
    e.options[e.selectedIndex].style.color="red";
  
    }
   }