multi-query select via mysqli

IFSC.php

<?php
$mysqli = new mysqli("localhost", "username", "password", "data");
if (mysqli_connect_errno())
 die("Connect failed: ".mysqli_connect_error());

$sql1 = "SELECT i1.`Name`, i1.`Branch`, i1.`IFSC`, i1.`Address`, i1.`Contact`
         FROM `ifsc1` i1
         WHERE i1.`Branch` LIKE '%sreekariyam%' OR i1.`Address` LIKE '%sreekariyam%'
         ;";

$sql2 = "SELECT i2.`Name`, i2.`Branch`, i2.`IFSC`, i2.`Address`, i2.`Contact1`
         FROM `ifsc2` i2
         WHERE i2.`Branch` LIKE '%sreekariyam%' OR i2.`Address` LIKE '%sreekariyam%'
         ;";

$sql3 = "SELECT i3.`Name`, i3.`IFSC`, i3.`MICR`, i3.`Address`, i3.`SFMS`, i3.`BSR1`, i3.`BSR2`
         FROM `ifsc3` i3
         WHERE i3.`Address` LIKE '%sreekariyam%'
         ;";

$sql = $sql1.$sql2.$sql3;
$sql_num = 1;

if ($mysqli->multi_query($sql))
{
    do
    {
        if ($result = $mysqli->store_result())
        {
            while ($row = $result->fetch_assoc())
            {
                switch ($sql_num)
                {
                    case 1:
                      echo $row['Name'].' : '.$row['IFSC'].'<br/>';
                    break;
                    case 2:
                      echo $row['Name'].' : '.$row['IFSC'].'<br/>';
                    break;
                    case 3:
                      echo $row['Name'].' : '.$row['IFSC'].'<br/>';
                    break;
                }
            }
        }

        if ($mysqli->more_results())
         echo '<hr/>';

        $sql_num++;
    } while ($mysqli->next_result());
}
else
{
    echo "Error : ".$mysqli->errno." : ".$mysqli->error;
}
?>