diff --git a/app/controllers/e_papers_controller.rb b/app/controllers/e_papers_controller.rb
index 71da12c..24f1ab7 100644
--- a/app/controllers/e_papers_controller.rb
+++ b/app/controllers/e_papers_controller.rb
@@ -78,7 +78,7 @@ class EPapersController < ApplicationController
     end
     data = []
     papers.each do |category, topics|
-      topics_data = topics.collect do |topic|
+      topics_data = Array(topics).compact.collect do |topic|
         {
           "title" => topic.title,
           "link_to_show" => OrbitHelper.url_to_show(topic.to_param),
@@ -117,7 +117,7 @@ class EPapersController < ApplicationController
   def criteria_list
     params = OrbitHelper.params
     criterias = PaperCriteria.all.desc(:start_date).limit(OrbitHelper.widget_data_count)
-    data = criterias.collect do |criteria|
+    data = Array(criterias).compact.collect do |criteria|
       {
         "title" => criteria.title,
         "description" => criteria.description,
@@ -136,14 +136,14 @@ class EPapersController < ApplicationController
 
   def category_wise_articles
     topics = EPaperTopic.filter_by_widget_categories.desc(:period)
-    data = topics.collect do |topic|
+    data = Array(topics).compact.collect do |topic|
       {
         "title" => topic.title,
         "link_to_show" => OrbitHelper.widget_item_url(topic.to_param),
         "description" => topic.description,
         "img_url" => topic.image.url,
         "img_url_thumb" => topic.image.thumb.url,
-        "category" => topic.category.title,
+        "category" => (topic.category.title rescue nil),
         "link_to_show_wise" => OrbitHelper.widget_more_url + "/" + topic.to_param
       }
     end
@@ -160,18 +160,18 @@ class EPapersController < ApplicationController
     papers = criteria.epaper_topics.group_by(&:category)
     data = []
     papers.each do |category, topics|
-      topics_data = topics.collect do |topic|
+      topics_data = Array(topics).compact.collect do |topic|
         {
           "title" => topic.title,
           "link_to_show" => OrbitHelper.widget_item_url(topic.to_param),
           "description" => topic.description,
           "img_url" => topic.image.url,
           "img_url_thumb" => topic.image.thumb.url,
-          "category" => category.title
+          "category" => (category.title rescue nil)
         }
       end
       data << {
-        "category_title" => category.title,
+        "category_title" => (category.title rescue nil),
         "topics" => topics_data
       }
     end
@@ -188,18 +188,18 @@ class EPapersController < ApplicationController
     papers = criteria.epaper_topics.group_by(&:category)
     data = []
     papers.each do |category, topics|
-      topics_data = topics.collect do |topic|
+      topics_data = Array(topics).compact.collect do |topic|
         {
           "title" => topic.title,
           "link_to_show" => OrbitHelper.widget_item_url(topic.to_param),
           "description" => topic.description,
           "img_url" => topic.image.url,
           "img_url_thumb" => topic.image.thumb.url,
-          "category" => category.title
+          "category" => (category.title rescue nil)
         }
       end
       data << {
-        "category_title" => category.title,
+        "category_title" => (category.title rescue nil),
         "topics" => topics_data
       }
     end