diff --git a/src/common/filters/exception.filter.ts b/src/common/filters/exception.filter.ts
index 7a034c6..2003a17 100644
--- a/src/common/filters/exception.filter.ts
+++ b/src/common/filters/exception.filter.ts
@@ -26,7 +26,16 @@ export class AllExceptionsFilter implements ExceptionFilter {
     let errorMessage =
       exception?.message || ERROR_MESSAGES.INTERNAL_SERVER_ERROR;
 
-    if (exception instanceof QueryFailedError) {
+    if (exception instanceof HttpException) {
+      const statusCode = exception.getStatus();
+      const errorResponse = APIResponse.error(
+        this.apiId,
+        (exception.getResponse() as any)?.message,
+        ERROR_MESSAGES.BAD_REQUEST,
+        statusCode.toString(),
+      );
+      return response.status(statusCode).json(errorResponse);
+    } else if (exception instanceof QueryFailedError) {
       const statusCode = HttpStatus.UNPROCESSABLE_ENTITY;
       const errorResponse = APIResponse.error(
         this.apiId,
diff --git a/src/common/utils/transformer/date.transformer.ts b/src/common/utils/transformer/date.transformer.ts
index 5e0fd6f..7f6e801 100644
--- a/src/common/utils/transformer/date.transformer.ts
+++ b/src/common/utils/transformer/date.transformer.ts
@@ -6,7 +6,7 @@ import { ValueTransformer } from 'typeorm';
 export class TimeZoneTransformer implements ValueTransformer {
   // private timeZone: string;
 
-  constructor(private configService: ConfigService) {}
+  constructor(private readonly configService: ConfigService) {}
 
   // To DB: Convert the date to UTC before saving
   to(entityValue: Date): Date {
diff --git a/src/common/utils/validation.util.ts b/src/common/utils/validation.util.ts
index affbb03..6e5d3af 100644
--- a/src/common/utils/validation.util.ts
+++ b/src/common/utils/validation.util.ts
@@ -6,8 +6,9 @@ import {
 
 function validateMeetingUrl(url, provider) {
   const providerPatterns = {
-    zoom: /^https:\/\/[\w-]*\.?zoom.us\/(j|my)\/[-\w?=]+$/,
-    googlemeet: /^(https:\/\/)?meet\.google\.com\/[a-zA-Z0-9-]+$/,
+    zoom: /^https?:\/\/[\w-]*\.?zoom\.(com|us)\/(j|my)\/[\w-]+(\?[\w=&-]*)?$/,
+    googlemeet:
+      /^https?:\/\/meet\.(google\.com|[a-zA-Z0-9-]+\.com)\/[a-z]{3,}-[a-z]{3,}-[a-z]{3}(\?[\w=&-]*)?$/,
     // microsoftteams: /^(https:\/\/)?teams\.microsoft\.com\/[a-zA-Z0-9?&=]+$/,
     // Add other supported providers as needed
   };
diff --git a/src/modules/event/dto/update-event.dto.ts b/src/modules/event/dto/update-event.dto.ts
index 597af5c..6a6cb6f 100644
--- a/src/modules/event/dto/update-event.dto.ts
+++ b/src/modules/event/dto/update-event.dto.ts
@@ -68,7 +68,7 @@ export class UpdateEventDto {
     example: {
       url: 'https://example.com/meeting',
       id: '123-456-789',
-      password: 'xxxxxxx',
+      // password: 'xxxxxxx', // This will be hidden from API response docs
     },
   })
   @IsObject()
diff --git a/src/modules/event/event.service.ts b/src/modules/event/event.service.ts
index c62f547..4e48b29 100644
--- a/src/modules/event/event.service.ts
+++ b/src/modules/event/event.service.ts
@@ -43,8 +43,8 @@ import { compareArrays } from 'src/common/utils/functions.util';
 import * as moment from 'moment-timezone';
 @Injectable()
 export class EventService {
-  private eventCreationLimit: number;
-  private timezone: string;
+  private readonly eventCreationLimit: number;
+  private readonly timezone: string;
 
   constructor(
     @InjectRepository(Events)