I had created the form with save button.When I click on the button no action is performing and I want to save these details in database.Please suggest me and help me to solve this issue.

<div>
    <b> Hello <?php echo $_POST["name"]; ?>!</b><br>
    <b>Email    :</b> <?php echo $_POST["email"]; ?>.<br>
    <b>Gender   :</b> <?php echo $_POST["gender"]; ?>.<br>
    <b>Birthday :</b>
   <?php
     $day = $_POST['day'];
     $month = $_POST['month'];
     $year = $_POST['year'];
     $date = $day."-".$month."-".$year;
     $myDate = date("d F Y", strtotime($date));
     echo $myDate;
  ?>
    </div>


     <form action="sendmail.php" method="post" id="vaccination-form">
     <div>
<table border="1" style="width:100%">

  <tr>
     <th id= "sno" style="font-family: sans-serif; font-size: 100%; font-weight: bold;" class="bg-color" width="5%">S.No</th>
<th id= "vaccine" style="font-family: sans-serif; font-size: 100%; font-weight: bold;" class="bg-color center" width="32%">Vaccine</th>     
<th id="decsription" style="font-family: sans-serif; font-size: 100%; font-weight: bold;">Description</th>
<th id="duedate" style="font-family: sans-serif; font-size: 100%; font-weight: bold;" class ="bg-color" width="15%">Due Date</th>

   </tr>
    <tr>
   <td>1</td>
   <td><a href="http://www.labwise.in/devel/hepatitis-b/" style="color: rgb(0,255,0)"><font color="#0000FF">Hepatitis B</font></a>
</td>       
<td>

        <b><span> At birth: </span></b><br></br>
        <span>For infants born to hepatitis B surface antigen (HBsAg)-positive mothers, administer HepB vaccine and 0.5 mL of hepatitis B immune globulin (HBIG) within 12 hours of birth. These infants should be tested for HBsAg and antibody to HBsAg (anti-HBs) 1 to 2 months after completion of the HepB series at age 9 through 18 months (preferably at the next well-child visit).</span>

</td>
<td> 

 <div>
  <?php

       $date=date_create("now");
      $bdate=date_create($myDate);

      //echo date_format($dueDate,"d F Y");

        if($date >= $bdate)
        {
            $dueDate=$bdate->modify('+2 month');
            echo date_format($dueDate,"d F Y");
        }
        else
        {
            $bdate->modify('+1 month');
            echo date_format($bdate,"d F Y");
        }
?>


 </div>
 </td>
 </tr>
 <tr>
  <td>2</td>
 <td><a href="http://www.labwise.in/devel/rotavirus-2/" style="color: rgb(0,255,0)"><font color="#0000FF">Rotavirus2(RV)</font></a>
</td>       
<td>
<b><span>Routine vaccination:</span></b><br></br>
<span>
1.If Rotarix is used, administer a 2-dose series at 2 and 4 months of age.</span><br></br>
<span>2.If RotaTeq is used, administer a 3-dose series at ages 2, 4, and 6 months.</span><br></br>
<span>3.If any dose in the series was RotaTeq or vaccine product is unknown for any dose in the series, a total of 3 doses of RV vaccine should be administered.</span><br></br>
<!--a href="http://www.labwise.in/devel/rotavirus-2/" class="read_more">Read More</a><br/--></td>

   <td> 
   <div class="input-box dob" id="duedtdiv">
   <?php

      $date=date_create("now");
      $bdate=date_create($myDate);

      //echo date_format($dueDate,"d F Y");

        if($date >= $bdate)
        {
            $rodueDate=$bdate->modify('+4 month');
            echo date_format($rodueDate,"d F Y");
        }
        else
        {
            $bdate->modify('+6 month');
            echo date_format($bdate,"d F Y");
        }
  ?>

  </div>
</td>
</tr>
</table>
 </form>
    <div>
        <button type="submit" name="submit" style="margin-top: 1cm;"title="<?php echo $this->__('Save Form') ?>" value="submit "class="button"><span><span><?php echo $this->__('Save Form')?></span>  </span>    </button>
</div>

sendmail.php

 <?php
    //due dates
    $myDate=$_POST['myDate'];
    $dueDate=$_POST['dueDate'];
    $rodueDate=$_POST['rodueDate'];
    $didueDate=$_POST['didueDate'];
    $pdueDate=$_POST['pdueDate'];
    $hadueDate=$_POST['hadueDate'];
    $indueDate=$_POST['indueDate'];
    $idueDate=$_POST['idueDate'];
    $rdueDate=$_POST['rdueDate'];
    $vdueDate=$_POST['vdueDate'];
    $tdueDate=$_POST['tdueDate'];
    $hdueDate=$_POST['hdueDate'];
    $mdueDate=$_POST['mdueDate'];

    $email=$_POST['email'];
    $name=$_POST['name'];
    $to=$email;
    $subject= "Vaccination Schedule For  ".$name;
    $message= 
    'Dear '.$name.',
    <p>Date of Birth :'.$myDate.'</p>
    <p>Your Vaccination details.</p>'.'

    <table border="1" style="width:100%">
    <tr>
    <th id= "sno" style="font-family: sans-serif; font-size: 100%; font-weight: bold;" class="bg-color" width="5%">S.No</th>
<th id= "vaccine" style="font-family: sans-serif; font-size: 100%; font-weight: bold;" class="bg-color center" width="32%">Vaccine</th> 
<th id="duedate" style="font-family: sans-serif; font-size: 100%; font-weight: bold;" class ="bg-color" width="15%">Due Date</th>

 </tr>
  <tr>
  <td>1</td>
  <td><a href="http://www.labwise.in/devel/hepatitis-b/" >Hepatitis B</a>
</td>
<td>'.$dueDate.' </td>
 </tr>

 <td>2</td>
<td><a href="http://www.labwise.in/devel/rotavirus-2/" >Rotavirus2(RV)</a>
</td>       
<td> '.$rodueDate.' </td>
</tr>


</table>';

 // To send HTML mail, the Content-type header must be set
    $headers  = 'MIME-Version: 1.0' . "\r\n";
    $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";

    $headers.= "From: admin@labwise.in" . "\r\n" ;
   if( mail($to, $subject, $message, $headers))
   {
            echo 'Your mail has been sent successfully';
   } 
   else
   {
        echo 'Unable to send email. Please try again.';
   }

 ?> 

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