Step1:

Go to below file location and change “Tools::truncateString($this->category->description, 350),”  to “Tools::truncateString($this->category->description, 3500),“.Otherwise it will cutoff your description .

Path: /controllers/front/CategoryController.php

$this->context->smarty->assign(array( 

‘category’ => $this->category, 

‘description_short’ => Tools::truncateString($this->category->description, 350), 

‘products’ => (isset($this->cat_products) && $this->cat_products) ? $this->cat_products : null, 

‘id_category’ => (int)$this->category->id, 

‘id_category_parent’ => (int)$this->category->id_parent, 

‘return_category_name’ => Tools::safeOutput($this->category->name), 

‘path’ => Tools::getPath($this->category->id), 

‘add_prod_display’ => Configuration::get(‘PS_ATTRIBUTE_CATEGORY_DISPLAY’), 

‘categorySize’ => Image::getSize(ImageType::getFormatedName(‘category’)), 

‘mediumSize’ => Image::getSize(ImageType::getFormatedName(‘medium’)), 

‘thumbSceneSize’ => Image::getSize(ImageType::getFormatedName(‘m_scene’)), 

‘homeSize’ => Image::getSize(ImageType::getFormatedName(‘home’)), 

‘allow_oosp’ => (int)Configuration::get(‘PS_ORDER_OUT_OF_STOCK’), 

‘comparator_max_item’ => (int)Configuration::get(‘PS_COMPARATOR_MAX_ITEM’), 

‘suppliers’ => Supplier::getSuppliers(), 

‘body_classes’ => array($this->php_self.’-‘.$this->category->id, $this->php_self.’-‘.$this->category->link_rewrite) 

));

Step2:

Go to below file location and add the below code end of the file and remove the below code from <div class=”content_scene_cat_bg”> section 

Path: /themes/theme_niketan/category.tpl

{if Tools::strlen($category->description) > 3500}

<div id=”category_description_short” class=”rte”>{$description_short}</div> 

<div id=”category_description_full” class=”unvisible rte”>{$category->description}</div> 

<a href=”{$link->getCategoryLink($category->id_category, $category->link_rewrite)|escape:’html’:’UTF-8′}” class=”lnk_more”>{l s=’More’}</a> 

{else} 

<div class=”rte”>{$category->description}</div> 

{/if}