function disable_login() {
    if (in_array($GLOBALS['pagenow'], array('wp-login.php', 'wp-register.php'))) {
        wp_redirect(home_url());
        exit;
    }
}
add_action('init', 'disable_login');
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<?xml-stylesheet type="text/xsl" href="https://synergycareindia.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://synergycareindia.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-posts-project-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-posts-member-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-posts-testimonials-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-posts-partner-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-taxonomies-project_category-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-taxonomies-member_category-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-taxonomies-partner_category-1.xml</loc></sitemap><sitemap><loc>https://synergycareindia.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>