diff --git a/apps/api-gateway/src/ecosystem/ecosystem.service.ts b/apps/api-gateway/src/ecosystem/ecosystem.service.ts
index 39e4c10e0..2fdd48a47 100644
--- a/apps/api-gateway/src/ecosystem/ecosystem.service.ts
+++ b/apps/api-gateway/src/ecosystem/ecosystem.service.ts
@@ -10,6 +10,8 @@ import { GetAllEcosystemMembersDto } from './dtos/get-members.dto';
 import { GetAllEndorsementsDto } from './dtos/get-all-endorsements.dto';
 
 import { RequestSchemaDto, RequestCredDefDto } from './dtos/request-schema.dto';
+import { CreateEcosystemDto } from './dtos/create-ecosystem-dto';
+import { EditEcosystemDto } from './dtos/edit-ecosystem-dto';
 
 @Injectable()
 export class EcosystemService extends BaseService {
@@ -22,7 +24,7 @@ export class EcosystemService extends BaseService {
    * @param createEcosystemDto
    * @returns Ecosystem creation success
    */
-  async createEcosystem(createEcosystemDto): Promise<object> {
+  async createEcosystem(createEcosystemDto: CreateEcosystemDto): Promise<object> {
     const payload = { createEcosystemDto };
     return this.sendNats(this.serviceProxy, 'create-ecosystem', payload);
   }
@@ -32,7 +34,7 @@ export class EcosystemService extends BaseService {
    * @param editEcosystemDto
    * @returns Ecosystem creation success
    */
-  async editEcosystem(editEcosystemDto, ecosystemId): Promise<object> {
+  async editEcosystem(editEcosystemDto: EditEcosystemDto, ecosystemId:string): Promise<object> {
     const payload = { editEcosystemDto, ecosystemId };
     return this.sendNats(this.serviceProxy, 'edit-ecosystem', payload);
   }
diff --git a/apps/ecosystem/interfaces/ecosystem.interfaces.ts b/apps/ecosystem/interfaces/ecosystem.interfaces.ts
index 0fc061f0a..1e7aa379b 100644
--- a/apps/ecosystem/interfaces/ecosystem.interfaces.ts
+++ b/apps/ecosystem/interfaces/ecosystem.interfaces.ts
@@ -171,3 +171,21 @@ export interface EndorsementTransactionPayloadDetails {
     orgId: string;
   };
 }
+
+export interface CreateEcosystem {
+  name: string;
+
+  description?: string;
+
+  tags?: string;
+
+  userId: number;
+
+  logo?: string;
+
+  orgName: string;
+
+  orgDid: string;
+
+  orgId?: string;
+}
\ No newline at end of file
diff --git a/apps/ecosystem/src/ecosystem.repository.ts b/apps/ecosystem/src/ecosystem.repository.ts
index c7af0371f..7c4e40a2c 100644
--- a/apps/ecosystem/src/ecosystem.repository.ts
+++ b/apps/ecosystem/src/ecosystem.repository.ts
@@ -1,4 +1,4 @@
-import { Injectable, InternalServerErrorException, Logger } from '@nestjs/common';
+import { BadRequestException, Injectable, InternalServerErrorException, Logger } from '@nestjs/common';
 import { PrismaService } from '@credebl/prisma-service';
 // eslint-disable-next-line camelcase
 import { credential_definition, ecosystem, ecosystem_config, ecosystem_invitations, ecosystem_orgs, ecosystem_roles, endorsement_transaction, org_agents, platform_config, schema } from '@prisma/client';
@@ -18,9 +18,9 @@ export class EcosystemRepository {
   ) { }
 
   /**
-   * Description: Get getAgentEndPoint by orgId
+   * Description: create ecosystem
    * @param createEcosystemDto 
-   * @returns Get getAgentEndPoint details
+   * @returns ecosystem
    */
   // eslint-disable-next-line camelcase
   async createNewEcosystem(createEcosystemDto): Promise<ecosystem> {
@@ -150,6 +150,28 @@ export class EcosystemRepository {
     }
   }
 
+  /**
+   * 
+   * @param orgId 
+   * @returns Get specific organization details from ecosystem
+   */
+  // eslint-disable-next-line camelcase
+  async checkEcosystemOrgs(orgId:string): Promise<ecosystem_orgs> {
+    try {
+      if (!orgId) {
+        throw new BadRequestException(ResponseMessages.ecosystem.error.invalidOrgId);
+      }
+      return this.prisma.ecosystem_orgs.findFirst({
+        where: {
+          orgId
+        }
+      });
+    } catch (error) {
+      this.logger.error(`error: ${JSON.stringify(error)}`);
+      throw error;
+    }
+  }
+
   /**
    * 
    * @returns Get ecosystem dashboard card count
diff --git a/apps/ecosystem/src/ecosystem.service.ts b/apps/ecosystem/src/ecosystem.service.ts
index cf987de63..5b18da802 100644
--- a/apps/ecosystem/src/ecosystem.service.ts
+++ b/apps/ecosystem/src/ecosystem.service.ts
@@ -13,7 +13,7 @@ import { Invitation, OrgAgentType } from '@credebl/enum/enum';
 import { EcosystemOrgStatus, EcosystemRoles, endorsementTransactionStatus, endorsementTransactionType } from '../enums/ecosystem.enum';
 import { FetchInvitationsPayload } from '../interfaces/invitations.interface';
 import { EcosystemMembersPayload } from '../interfaces/ecosystemMembers.interface';
-import { CredDefMessage, SaveSchema, SchemaMessage, SignedTransactionMessage, saveCredDef, submitTransactionPayload } from '../interfaces/ecosystem.interfaces';
+import { CreateEcosystem, CredDefMessage, SaveSchema, SchemaMessage, SignedTransactionMessage, saveCredDef, submitTransactionPayload } from '../interfaces/ecosystem.interfaces';
 import { GetEndorsementsPayload } from '../interfaces/endorsements.interface';
 import { CommonConstants } from '@credebl/common/common.constant';
 // eslint-disable-next-line camelcase
@@ -37,10 +37,14 @@ export class EcosystemService {
    */
 
   // eslint-disable-next-line camelcase
-  async createEcosystem(createEcosystemDto): Promise<object> {
+  async createEcosystem(createEcosystemDto: CreateEcosystem): Promise<object> {
+   const checkOrganization = await this.ecosystemRepository.checkEcosystemOrgs(createEcosystemDto.orgId);
+   if (checkOrganization) {
+    throw new ConflictException(ResponseMessages.ecosystem.error.ecosystemOrgAlready);
+   };
     const createEcosystem = await this.ecosystemRepository.createNewEcosystem(createEcosystemDto);
     if (!createEcosystem) {
-      throw new NotFoundException(ResponseMessages.ecosystem.error.update);
+      throw new NotFoundException(ResponseMessages.ecosystem.error.notCreated);
     }
     return createEcosystem;
   }
@@ -180,7 +184,11 @@ export class EcosystemService {
    */
   async acceptRejectEcosystemInvitations(acceptRejectInvitation: AcceptRejectEcosystemInvitationDto): Promise<string> {
     try {
-
+      const checkOrganization = await this.ecosystemRepository.checkEcosystemOrgs(acceptRejectInvitation.orgId);
+      
+      if (checkOrganization) {
+       throw new ConflictException(ResponseMessages.ecosystem.error.ecosystemOrgAlready);
+      };
       const { orgId, status, invitationId, orgName, orgDid } = acceptRejectInvitation;
       const invitation = await this.ecosystemRepository.getEcosystemInvitationById(invitationId);
 
diff --git a/libs/common/src/response-messages/index.ts b/libs/common/src/response-messages/index.ts
index 679e9590c..52fb01b9d 100644
--- a/libs/common/src/response-messages/index.ts
+++ b/libs/common/src/response-messages/index.ts
@@ -232,7 +232,8 @@ export const ResponseMessages = {
             transactionSubmitted: 'Transaction already submitted',
             invalidAgentUrl: 'Invalid agent url',
             EndorsementTransactionNotFoundException:'Endorsement transaction with status requested not found',
-            OrgOrEcosystemNotFoundExceptionForEndorsementTransaction:'Cannot update  endorsement transaction status as OrgId and EcosystemId is not present in ecosystemOrg'
+            OrgOrEcosystemNotFoundExceptionForEndorsementTransaction:'Cannot update  endorsement transaction status as OrgId and EcosystemId is not present in ecosystemOrg',
+            ecosystemOrgAlready: 'Organization is already part of the ecosystem. Please ensure that the organization is not duplicated.'
         }
     }   
 };
\ No newline at end of file