diff --git a/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/all-pd/all-pd.component.ts b/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/all-pd/all-pd.component.ts
index 8cb1a98be..b6e0fa487 100755
--- a/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/all-pd/all-pd.component.ts
+++ b/ng6-seed/src/app/personal-discussion/manage-pd/list-pd/all-pd/all-pd.component.ts
@@ -5,6 +5,7 @@ import { FormGroup, FormBuilder } from '@angular/forms';
 import { DatePipe } from '@angular/common';
 import { NotifierService } from 'angular-notifier';
 import { DuplicatePdComponent } from '../duplicate-pd/duplicate-pd.component';
+// import { Subscription, interval } from 'rxjs';
 
 @Component({
   selector: 'app-all-pd',
@@ -49,6 +50,8 @@ export class AllPdComponent implements OnInit, OnChanges {
   pageEvent: PageEvent;
   todaydate:Date = new Date();
   common: any;
+  // subscription: Subscription;
+
   constructor(private dialog: MatDialog,private _pd: PdTrigerService,private _fb:FormBuilder,notifier: NotifierService,) { 
         this.notifier = notifier;
         this.searchForm = this._fb.group(
@@ -77,6 +80,31 @@ export class AllPdComponent implements OnInit, OnChanges {
     this.recordStatus=false;
    // this.loadPDDetails();
    //this.getcommonDropDown();
+      // window.addEventListener('blur', () => {
+      //   console.log("Browser tab is hidden")
+      // });
+      window.addEventListener('visibilitychange', () => {
+        console.log("Browser tab is visible")
+        this.loadPDDetails()
+      });
+
+  //  document.addEventListener("visibilitychange", function() {
+  //       if (document.hidden){
+  //           console.log("Browser tab is hidden")
+  //       } else {
+  //           console.log("Browser tab is visible")
+
+  //       }
+  //   });
+   //emit value in sequence every 10 second
+  //  const source = interval(10000);
+  //  const text = 'Your Text Here';
+  //  this.subscription = source.subscribe(val => this.loadPDDetails());
+   
+    //   document.addEventListener('visibilitychange', function(){
+    //     console.log('ZZZZ')
+    //     // document.title = document.hidden; // change tab text for demo
+    // })
   }
   
   // get changes for filter from parent componnet filter
@@ -84,6 +112,7 @@ export class AllPdComponent implements OnInit, OnChanges {
     let filteredText = changes.bindFilterValue.currentValue ? changes.bindFilterValue.currentValue.trim() : changes.bindFilterValue.currentValue;
     filteredText = filteredText ? filteredText.toLowerCase() : filteredText;
     this.dataSourceTab1.filter = filteredText;
+    // this.subscription.unsubscribe();
 
 }