diff --git a/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/start-pd/forms/assessed-income/assessed-income.component.ts b/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/start-pd/forms/assessed-income/assessed-income.component.ts
index 99f697a91..cde318935 100755
--- a/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/start-pd/forms/assessed-income/assessed-income.component.ts
+++ b/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/start-pd/forms/assessed-income/assessed-income.component.ts
@@ -149,6 +149,8 @@ public viewerOptions: any = {
           }
 
           // set sumary table headers
+          this.displayedSummaryColumns=[];
+          this.summaryItemSource=[];
           if(value.records.final_data.length >0){
           //set column name 
           (value.records.final_data[0].sales_declared_by_customer!=null && value.records.final_data[0].sales_calculated_by_itemwise!=null && value.records.final_data[0].sales_calculated_by_monthwise!=null) ? this.displayedSummaryColumns.push("position_1","position_2","position_3","position_4")