diff --git a/angular.json b/angular.json
index db728ae2d..a4d2e967d 100644
--- a/angular.json
+++ b/angular.json
@@ -17,9 +17,15 @@
             "main": "src/main.ts",
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.app.json",
-            "assets": ["src/favicon.ico", "src/favicon.png", "src/mdo-assets"],
+            "assets": [
+              "src/favicon.ico",
+              "src/favicon.png",
+              "src/mdo-assets"
+            ],
             "stylePreprocessorOptions": {
-              "includePaths": ["src/styles"]
+              "includePaths": [
+                "src/styles"
+              ]
             },
             "styles": [
               {
@@ -95,7 +101,7 @@
               ],
               "optimization": true,
               "outputHashing": "all",
-              "sourceMap": false,
+              "sourceMap": true,
               "extractCss": true,
               "namedChunks": false,
               "aot": true,
@@ -121,7 +127,7 @@
               ],
               "optimization": true,
               "outputHashing": "all",
-              "sourceMap": false,
+              "sourceMap": true,
               "extractCss": true,
               "namedChunks": false,
               "aot": true,
@@ -147,7 +153,7 @@
               ],
               "optimization": true,
               "outputHashing": "all",
-              "sourceMap": false,
+              "sourceMap": true,
               "extractCss": true,
               "namedChunks": false,
               "aot": true,
@@ -173,7 +179,7 @@
               ],
               "optimization": true,
               "outputHashing": "all",
-              "sourceMap": false,
+              "sourceMap": true,
               "extractCss": true,
               "namedChunks": false,
               "aot": true,
@@ -199,7 +205,7 @@
               ],
               "optimization": true,
               "outputHashing": "all",
-              "sourceMap": false,
+              "sourceMap": true,
               "extractCss": true,
               "namedChunks": false,
               "aot": true,
@@ -246,16 +252,27 @@
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.spec.json",
             "karmaConfig": "karma.conf.js",
-            "assets": ["src/favicon.ico", "src/mdo-assets"],
-            "styles": ["src/styles.scss"],
+            "assets": [
+              "src/favicon.ico",
+              "src/mdo-assets"
+            ],
+            "styles": [
+              "src/styles.scss"
+            ],
             "scripts": []
           }
         },
         "lint": {
           "builder": "@angular-devkit/build-angular:tslint",
           "options": {
-            "tsConfig": ["tsconfig.app.json", "tsconfig.spec.json", "e2e/tsconfig.json"],
-            "exclude": ["**/node_modules/**"]
+            "tsConfig": [
+              "tsconfig.app.json",
+              "tsconfig.spec.json",
+              "e2e/tsconfig.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
           }
         },
         "e2e": {
@@ -296,8 +313,13 @@
         "lint": {
           "builder": "@angular-devkit/build-angular:tslint",
           "options": {
-            "tsConfig": ["project/ws/app/tsconfig.lib.json", "project/ws/app/tsconfig.spec.json"],
-            "exclude": ["**/node_modules/**"]
+            "tsConfig": [
+              "project/ws/app/tsconfig.lib.json",
+              "project/ws/app/tsconfig.spec.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
           }
         }
       }
@@ -312,4 +334,4 @@
   "cli": {
     "analytics": false
   }
-}
+}
\ No newline at end of file
diff --git a/project/ws/app/src/lib/routes/events/routes/list/list-event.component.ts b/project/ws/app/src/lib/routes/events/routes/list/list-event.component.ts
index e625b6fb8..af60c0cd8 100644
--- a/project/ws/app/src/lib/routes/events/routes/list/list-event.component.ts
+++ b/project/ws/app/src/lib/routes/events/routes/list/list-event.component.ts
@@ -1,7 +1,7 @@
 import { AfterViewInit, Component, OnInit, OnDestroy } from '@angular/core'
 import { Router, ActivatedRoute } from '@angular/router'
 import { EventsService } from '../../services/events.service'
-import { ConfigurationsService, EventService, LoggerService } from '@sunbird-cb/utils'
+import { ConfigurationsService, EventService } from '@sunbird-cb/utils'
 import * as moment from 'moment'
 /* tslint:disable */
 import _ from 'lodash'
@@ -34,19 +34,20 @@ export class ListEventComponent implements OnInit, AfterViewInit, OnDestroy {
         private eventSvc: EventsService,
         private configSvc: ConfigurationsService,
         private activeRoute: ActivatedRoute,
-        private events: EventService,
-        private logger: LoggerService,
+        private events: EventService
     ) {
         this.math = Math
         if (this.configSvc.userProfile) {
             this.currentUser = this.configSvc.userProfile && this.configSvc.userProfile.userId
             this.department = this.configSvc.userProfile && this.configSvc.userProfile.departmentName
             this.departmentID = this.configSvc.userProfile && this.configSvc.userProfile.rootOrgId
-            this.logger.log(this.departmentID)
+            // tslint:disable-next-line:no-console
+            console.log('departmentID', this.departmentID)
         } else {
             if (_.get(this.activeRoute, 'snapshot.data.configService.userProfile.rootOrgId')) {
                 this.departmentID = _.get(this.activeRoute, 'snapshot.data.configService.userProfile.rootOrgId')
-                this.logger.log(this.departmentID)
+                // tslint:disable-next-line:no-console
+                console.log('departmentID', this.departmentID)
             }
             if (_.get(this.activeRoute, 'snapshot.data.configService.userProfile.departmentName')) {
                 this.department = _.get(this.activeRoute, 'snapshot.data.configService.userProfile.departmentName')
@@ -106,7 +107,8 @@ export class ListEventComponent implements OnInit, AfterViewInit, OnDestroy {
         }
 
         this.eventSvc.getEventsList(requestObj).subscribe((events: any) => {
-            this.logger.log(events)
+            // tslint:disable-next-line:no-console
+            console.log('events', events)
             this.setEventListData(events)
         })
     }
@@ -141,7 +143,8 @@ export class ListEventComponent implements OnInit, AfterViewInit, OnDestroy {
                     }
                     const isPast = this.compareDate(expiryDateFormat);
                     (isPast) ? this.eventData['pastEvents'].push(eventDataObj) : this.eventData['upcomingEvents'].push(eventDataObj)
-                    this.logger.log(eventDataObj)
+                    // tslint:disable-next-line:no-console
+                    console.log('eventDataObj', eventDataObj)
                 }
             })
             this.filter('upcoming')
@@ -164,7 +167,8 @@ export class ListEventComponent implements OnInit, AfterViewInit, OnDestroy {
     filter(key: string | 'timestamp' | 'best' | 'saved') {
         const upcomingEventsData: any[] = []
         const pastEventsData: any[] = []
-        this.logger.log(this.eventData)
+        // tslint:disable-next-line:no-console
+        console.log('eventData', this.eventData)
         if (this.eventData['pastEvents'] && this.eventData['pastEvents'].length > 0) {
             this.eventData['pastEvents'].forEach((event: any) => {
                 pastEventsData.push(event)
@@ -182,15 +186,18 @@ export class ListEventComponent implements OnInit, AfterViewInit, OnDestroy {
             switch (key) {
                 case 'upcoming':
                     this.data = upcomingEventsData
-                    this.logger.log(this.data)
+                    // tslint:disable-next-line:no-console
+                    console.log('data', this.data)
                     break
                 case 'past':
                     this.data = pastEventsData
-                    this.logger.log(this.data)
+                    // tslint:disable-next-line:no-console
+                    console.log('data', this.data)
                     break
                 default:
                     this.data = upcomingEventsData
-                    this.logger.log(this.data)
+                    // tslint:disable-next-line:no-console
+                    console.log('data', this.data)
                     break
             }
         }
diff --git a/src/app/component/root/root.component.ts b/src/app/component/root/root.component.ts
index 0df9e6170..168290b9c 100644
--- a/src/app/component/root/root.component.ts
+++ b/src/app/component/root/root.component.ts
@@ -180,7 +180,8 @@ export class RootComponent implements OnInit, AfterViewInit {
 
   raiseAppStartTelemetry() {
     if (!this.appStartRaised) {
-      this.logger.log(WsEvents.WsEventLogLevel.Info)
+      // tslint:disable-next-line:no-console
+      console.log('WsEvents.WsEventLogLevel', WsEvents.WsEventLogLevel)
       const event = {
         eventType: WsEvents.WsEventType.Telemetry,
         eventLogLevel: WsEvents.WsEventLogLevel.Info,