checkbox value for Edit not showing as checkbox checked

@SubrataJ 
your code below is working fine, thanks again.

Code:

// start: code added here...
                if(product_available == 'Y') {
                    $('#product_available').prop('checked', true);
                }else{
                    $('#product_available').prop('checked', false);
                }

@InsiteFX thanks for your response. will check it.
regards

Newbie here in CodeIgniter World !! Please appologize if any nonsense from me.  

environment: Windows 10, XAMPP 3.3.0, VS Code, SQLyog Community Ed.