$data = array(
		'Category' => array(
	        0 => array(
	            'Name' => 'Bcategory',
	            'View' => array(
                        0 => array('Name' => 'Cview'),
                        1 => array('Name' => 'Bview'),
                        2 => array('Name' => 'Aview'),
                    )
	        	),
	        1 => array(
	            'Name' => 'Ccategory',
	            'View' => array(
                        0 => array('Name' => 'Cview'),
                        1 => array('Name' => 'Aview'),
                        2 => array('Name' => 'Bview'),
                    )
	        	),
	        2 => array(
	            'Name' => 'Acategory',
	            'View' => array(
                        0 => array('Name' => 'Aview'),
                        1 => array('Name' => 'Cview'),
                        2 => array('Name' => 'Bview'),
                    )
	        	)
	        )
	);
        //Sorting array
        $tmp = Array();
		foreach($data['Category'] as $key => $val){
			$tmp[] = $val["Name"];
			$tmp2 = Array();
			foreach($val['View'] as $v){
				$tmp2[] = $v['Name'];
			}
			array_multisort($tmp2, $data['Category'][$key]['View']); 
		}   
		array_multisort($tmp, $data['Category']);
        echo '
'; print_r($data);
Output:
Array
(
    [Category] => Array
        (
            [0] => Array
                (
                    [Name] => Acategory
                    [View] => Array
                        (
                            [0] => Array
                                (
                                    [Name] => Aview
                                )
                            [1] => Array
                                (
                                    [Name] => Bview
                                )
                            [2] => Array
                                (
                                    [Name] => Cview
                                )
                        )
                )
            [1] => Array
                (
                    [Name] => Bcategory
                    [View] => Array
                        (
                            [0] => Array
                                (
                                    [Name] => Aview
                                )

                            [1] => Array
                                (
                                    [Name] => Bview
                                )
                            [2] => Array
                                (
                                    [Name] => Cview
                                )
                        )
                )
            [2] => Array
                (
                    [Name] => Ccategory
                    [View] => Array
                        (
                            [0] => Array
                                (
                                    [Name] => Aview
                                )
                            [1] => Array
                                (
                                    [Name] => Bview
                                )
                            [2] => Array
                                (
                                    [Name] => Cview
                                )
                        )
                )
        )
)