function inWords(numIn) {
  var inWordsSub = function(num) {
    var a = ['', 'One ', 'Two ', 'Three ', 'Four ', 'Five ', 'Six ', 'Seven ', 'Eight ', 'Nine ', 'Ten ', 'Eleven ', 'Twelve ', 'Thirteen ', 'Fourteen ', 'Fifteen ', 'Sixteen ', 'Seventeen ', 'Eighteen ', 'Nineteen '];
    var b = ['', '', 'Twenty', 'Thirty', 'Forty', 'Fifty', 'Sixty', 'Seventy', 'Eighty', 'Ninety'];
    var n = ('0000000' + num).substr(-7).match(/^(\d{2})(\d{2})(\d{1})(\d{2})$/);
    if (!n) return;
    var str = '';
    str += (n[1] != 0) ? (a[Number(n[1])] || b[n[1][0]] + ' ' + a[n[1][1]]) + 'Lakh ' : '';
    str += (n[2] != 0) ? (a[Number(n[2])] || b[n[2][0]] + ' ' + a[n[2][1]]) + 'Thousand ' : '';
    str += (n[3] != 0) ? (a[Number(n[3])] || b[n[3][0]] + ' ' + a[n[3][1]]) + 'Hundred ' : '';
    str += (n[4] != 0) ? ((str != '') ? 'and ' : '') + (a[Number(n[4])] || b[n[4][0]] + ' ' + a[n[4][1]]) : '';
    return str;
  }
  var nTemp = numIn.toString().split(".");
  var num = nTemp[0].split(",").join("");
  if (num.length > 14) return 'overflow';
  num = ('00000000000000' + num).substr(-14);
  var words = inWordsSub(num.substr(-7))
  var croreWords = inWordsSub(num.substr(0, 7))
  if (croreWords != "") {
    words = croreWords + " Crore " + words;
  }
  return words;
}