Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0

Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0

Fatal error: Unknown: Failed opening required '/home/tamilxpc/public_html/index.php' (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in Unknown on line 0