How add Meta Title field on category pages: Opencart

Hello Friends, I hope you all are doing very well :) In my last post https://raghunathgurjar.wordpress.com/2015/11/17/how-add-meta-title-field-on-product-pages-opencart/, i have explain you instruction for add to “Meta Title” on product pages. Now here i am given you steps by steps instruction to add new meta title fields on category pages by edit in exist files, please follow …