thank you so much Guenni007. previous code working fine.
I am using external footer customization plugin thats why its not worked. Now i deactivate that and code working fine.
thanks a lot.

Hi Guenni007,
Thanks a lot for helping hand. I am on parent theme not developing a child theme. however I paste the code in Enfold functions.php file and also add the css styel. but I didn’t find any new menu in burger menu field. only main menu is showed there. but now its showing right side.