Overlapping of elements after multipage table in tcpdf - php

Question

After echoing product list (usually multipage)the below content get overlapping to the first page.I have been try to solve this problem form so many no luck so for .I have seen some topic on stack over flow but doesn't work for me. Below is full working code showing above problem. How could I solve this.Full solution is greatly appreciated.
$InvAllPrct = '';
$InvAllPrct .= '<div><br>
<table border="0" cellpadding="3" style="width:100%">
<tbody>
<tr style="font-weight: bold;">
<th style="width: 6%;">Product</th>
<th style="width: 6%;">Price</th>
<th style="width: 4%;">QTY</th>
<th style="width: 7%;">Total</th>
</tr><hr>';
//----------------------get prct information-----------------------------------------------
for($i=0;$i<100;$i++){
$InvAllPrct .= '<tr>
<td style="text-align: right;">Some text</td>
<td style="text-align: right;">100</td>
<td style="text-align: right;">1</td>
<td style="text-align: right;">100</td>
</tr>';
}
$InvAllPrct .= '</tbody>
</table>
<hr style="font-weight:bold;">
</div>';
$Cname = '';
$Cname .= '<div style="float:right;">';
$Cname .= '<span style="font-weight: 600;font-style: oblique;font-size: 12px;">Some company name</span><br>';
$Cname .= '<span> some text</span><br>';
$Cname .= '</div>';
//---------------------------tax n total---------------------------------------------
$GrandTotalData = '';
$GrandTotalData .= '
<span>Sub Total: 100</span><br>';
$GrandTotalData .= '<span> tax1 : 10%</span><br>';
$GrandTotalData .= '<span> tax2 : 10%</span><br>';
$GrandTotalData .= '<span>Total : 200</span><br>';
$GrandTotalData .= '<span style=" font-weight: bold;">Grand Total : 200<hr></<span>';
// Include the main TCPDF library (search for installation path).
require('tcpdf1/tcpdf.php');
// create new PDF document
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
// set auto page breaks
$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
// set font
$pdf->SetFont('dejavusans', '', 10);
$pdf->SetPrintHeader(false);
$pdf->SetPrintFooter(false);
// add a page
$pdf->AddPage();
$pdf->MultiCell(00, 00, "Some text", 0, 'C', 0, 0, '', '', true, 0, false, true, 40, 'T');
$pdf->SetFont('dejavusans', '', 7);
// create some HTML content
$y = $pdf->getY();
$pdf->writeHTMLCell('', '', '46', $y,"Some Name", 0, 0, 0, true, 'J', false);
$y = $pdf->getLastH()+$y;
$pdf->writeHTMLCell('', '', 10, $y, $InvAllPrct, 0, 0, 0, true, 'J', true);
$y = $pdf->getLastH()+$y;
// // ******Problem Starts here overlapping on above content on first page***************
$pdf->writeHTMLCell('38', '', 160, $y, $GrandTotalData, 0, 0, 0, true, 'J', true);
$html = '<div style="text-align:centre;"> Some Text......................................</div>';
$y = $pdf->getLastH()+$y;
$pdf->writeHTMLCell('', '', '', $y, $html, 0, 0, 0, true, 'J', true);
$y = $pdf->getLastH()+$y;
$html = '<div style="text-align: justify;margin: 0px 225px 17px 5px;">Some long text here.................</div><br>
<div style="text-align: justify;margin: 0px 225px 36px 5px;">Some long text here.....................</div>
';
$pdf->writeHTMLCell('144', '', '', $y, $html, 0, 0, 0, true, 'J', true);
$pdf->lastPage();
$pdf->Output('example_006.pdf', 'I');
php tcpdf