element.closest("tr").find("td:first").find("input:hidden")

<table>
   <tr>
      <td style="width: 50px;">4th Class( A )
         <input id="SectionID" name="SectionID" type="hidden" value="7">
         <input id="SectionDetailID" name="SectionDetailID" type="hidden" value="1">
         <input id="SectionName" name="SectionName" type="hidden" value="4th Class( A ) ">
      </td>
      <td class="cells" onclick="fetchData(this);">
         <div>
            <div class="dataRow">
               <div class="cellLabel">Name:</div>
               <div class="cellValue">P D S</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">Sub:</div>
               <div class="cellValue">Hindi</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">Period:</div>
               <div class="cellValue">Period 2</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">From:</div>
               <div class="cellValue">11:00</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">To:</div>
               <div class="cellValue">12:00</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">Year:</div>
               <div class="cellValue">2014</div>
            </div>
         </div>
         <input id="TimeTableDtlID" name="TimeTableDtlID" type="hidden" value="1">
         <input id="TimeTableHdrID" name="TimeTableHdrID" type="hidden" value="7">
         <input id="PeriodID" name="PeriodID" type="hidden" value="38">
         <input id="PeriodName" name="PeriodName" type="hidden" value="Period 2">
         <input id="PeriodFromTime" name="PeriodFromTime" type="hidden" value="11:00">
         <input id="PeriodToTime" name="PeriodToTime" type="hidden" value="12:00">
         <input id="TTYear" name="TTYear" type="hidden" value="2014">
         <input id="SubjectName" name="SubjectName" type="hidden" value="Hindi">
      </td>
      <td class="cells" onclick="fetchData(this);">
         <div>
            <div class="dataRow">
               <div class="cellLabel">Name:</div>
               <div class="cellValue">J P Pl</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">Sub:</div>
               <div class="cellValue">English</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">Period:</div>
               <div class="cellValue">Period 2</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">From:</div>
               <div class="cellValue">11:00</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">To:</div>
               <div class="cellValue">12:00</div>
            </div>
            <div class="dataRow">
               <div class="cellLabel">Year:</div>
               <div class="cellValue">2014</div>
            </div>
         </div>
         <input id="TimeTableDtlID" name="TimeTableDtlID" type="hidden" value="3">
         <input id="TimeTableHdrID" name="TimeTableHdrID" type="hidden" value="7">
         <input id="PeriodID" name="PeriodID" type="hidden" value="38">
         <input id="PeriodName" name="PeriodName" type="hidden" value="Period 2">
         <input id="PeriodFromTime" name="PeriodFromTime" type="hidden" value="11:00">
         <input id="PeriodToTime" name="PeriodToTime" type="hidden" value="12:00">
         <input id="TTYear" name="TTYear" type="hidden" value="2014">
         <input id="SubjectName" name="SubjectName" type="hidden" value="English">
      </td>
   </tr>
   </tbody>
</table>

function fetchData(element) {
   var $element = $(element);
   var objHidden = [];
   console.log($element.closest("tr").find('td:first').andSelf().find("input:hidden").length); // Returns 19 Where it must be 11
   $element.closest("tr").find('td:first').andSelf().find("input:hidden").each(function (i, elem) {
      objHidden[elem.getAttribute("name")] = elem.value;
   });
   console.log(objHidden); // Getting same values always
}

$element.closest("tr").find('td:first').andSelf().find("input:hidden")

$element.closest("tr").find('td:first').add($element).find("input:hidden")

$element.siblings(":first").andSelf().find("input:hidden");

$element.closest("tr").find('td:first').andSelf()

$('table tr>td').click(function() {
    var currentRow = $(this).parents('tr');
    console.log(currentRow);
    var currentCell = $(this);
    console.log(currentCell);
    var currentCellHtml = $(this);
    console.log(currentCellHtml);
    var numberOfHiddenCtrlsWithinCell = $(this).find(':input:hidden');
    console.log(numberOfHiddenCtrlsWithinCell);
    var numberOfHiddenCtrlsWithinRow = currentRow.find(':input:hidden');
    console.log(numberOfHiddenCtrlsWithinRow);
});