echo "<tr>";

        echo "<td>" . $i++ . "</td>";
        echo "<td>" . $row['instructorname'] . "</td>";
                echo "<td>" . $row['batchname'] . "</td>";
                echo "<td>" . $row['fromdate'] . "</td>";
                echo "<td>" . $row['todate'] . "</td>";

                for($i=$startdate;$i<$todate;$i++) echo '<td>' .$i .   '</td>'  ;