Pagination not working on custom post page

I have created custom post type called

natural food

In my page-natural-food.php

<div class="main container">
    <div class="content left">
        <?php               
            $type = 'naturalfoods';
            $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;

            $args=array(
              'post_type' => $type,
              'post_status' => 'publish',
              'posts_per_page' => 2,
              'paged'=>$paged            
            );

            $my_query = null;
            $my_query = new WP_Query($args);

            if ( $my_query->have_posts()) :

            while ( $my_query->have_posts()) :  $my_query->the_post(); ?>

            <article class="post">
                <h1>
                    <a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
                </h1>                   

                <?php the_excerpt(); ?>     

                <div class="readMore right">        
                    <a href="<?php the_permalink(); ?>" class="btnReadMore">Read More&raquo;</a>
                </div><!-- End readMore --> 

                <div class="clear"></div>
            </article>      
            <?php endwhile;

            my_simone_paging_nav(); 

            else :
                echo "<p>No content found</p>";
            endif;

            wp_reset_query();  // Restore global post data stomped by the_post().                   

            ?>                      
    </div><!-- End content -->    
</div><!-- End main -->    
<?php get_footer(); ?>

I am using the below function in index.php

In My functions.php

if ( !function_exists( 'my_simone_paging_nav' ) ) {

    function my_simone_paging_nav() {   

    // Don't print empty markup if there's only one page.
    if ( $GLOBALS['wp_query']->max_num_pages < 2 ) {
        return;     
    }

    $paged        = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
    $pagenum_link = html_entity_decode( get_pagenum_link() );
    $query_args   = array();
    $url_parts    = explode( '?', $pagenum_link );

    if ( isset( $url_parts[1] ) ) {
        wp_parse_str( $url_parts[1], $query_args );
    }

    $pagenum_link = remove_query_arg( array_keys( $query_args ), $pagenum_link );
    $pagenum_link = trailingslashit( $pagenum_link ) . '%_%';

    $format  = $GLOBALS['wp_rewrite']->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
    $format .= $GLOBALS['wp_rewrite']->using_permalinks() ? user_trailingslashit( 'page/%#%', 'paged' ) : '?paged=%#%';

    // Set up paginated links.
    $links = paginate_links( array(
        'base'     => $pagenum_link,
        'format'   => $format,
        'total'    => $GLOBALS['wp_query']->max_num_pages,
        'current'  => $paged,
        'mid_size' => 2,
        'add_args' => array_map( 'urlencode', $query_args ),
        'prev_text' => __( '&laquo;', 'my-simone' ),
        'next_text' => __( '&raquo;', 'my-simone' ),
        'type'      => 'list',
    ) );

    if ( $links ) :

    ?>
    <nav class="navigation paging-navigation right" role="navigation">      
            <?php echo $links; ?>
    </nav><!-- .navigation -->
    <?php
    endif;
    }   
}

But pagination not working