diff --git a/src/models/NSInstanceModel.ts b/src/models/NSInstanceModel.ts
new file mode 100644
index 0000000..72cd42b
--- /dev/null
+++ b/src/models/NSInstanceModel.ts
@@ -0,0 +1,282 @@
+/*
+ Copyright 2020 TATA ELXSI
+
+ Licensed under the Apache License, Version 2.0 (the 'License');
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ Author: KUMARAN M (kumaran.m@tataelxsi.co.in), RAJESH S (rajesh.s@tataelxsi.co.in), BARATH KUMAR R (barath.r@tataelxsi.co.in)
+ */
+/**
+ * @file  Model for NS Instance related information.
+ */
+
+import { CONSTITUENTVNFD, VLD, VNFDCONNECTIONPOINTREF } from 'NSDModel';
+import { VNFDAdminDetails } from 'VNFDModel';
+
+/** Interface for NSInstanceDetails */
+export interface NSInstanceDetails {
+    'orchestration-progress': JSON;
+    'constituent-vnfr-ref': string[];
+    'operational-events': string[];
+    admin: Admin;
+    'ssh-authorized-key': string;
+    _admin: _Admin;
+    'admin-status': string;
+    'operational-status': string;
+    'datacenter': string;
+    nsd: NSD;
+    name: string;
+    'name-ref': string;
+    'short-name': string;
+    id: string;
+    'nsd-name-ref': string;
+    description: string;
+    'detailed-status': string;
+    'config-status': string;
+    'resource-orchestrator': string;
+    'nsd-ref': string;
+    vld: VLD[];
+    instantiate_params: InstantiateParam;
+    additionalParamsForNs: AdditionalParamForN;
+    _id?: string;
+}
+
+/** Interface for Admin */
+interface Admin {
+    deployed: DeployedAdmin;
+}
+
+/** Interface for DeployedAdmin */
+interface DeployedAdmin {
+    RO: ROAdmin;
+}
+
+/** Interface for ROAdmin */
+interface ROAdmin {
+    'nsr_status': string;
+}
+
+/** Interface for _Admin */
+// tslint:disable-next-line:class-name
+interface _Admin {
+    'projects_write': string[];
+    deployed: DeployedAdmin;
+    nslcmop: string;
+    nsState: string;
+    modified: number;
+    projects_read: string[];
+    created: string;
+}
+
+/** Interface for Deployed_Admin */
+interface DeployedAdmin {
+    VCA: string[];
+    RO: ROAdmin;
+}
+
+/** Interface for RO_Admin */
+interface ROAdmin {
+    'nsr_status': string;
+    'nsr_id': string;
+    'nsd_id': string;
+    vnfd: VNFD[];
+}
+
+/** Interface for VNFD */
+interface VNFD {
+    'member-vnf-index': number;
+    id: string;
+}
+
+/** Interface for NSD */
+export interface NSD {
+    description: string;
+    vld: NSDVLD[];
+    _admin: VNFDAdminDetails;
+    name: string;
+    version: string;
+    _id: string;
+    'short-name': string;
+    id: string;
+    'constituent-vnfd': CONSTITUENTVNFD[];
+    vendor: string;
+    vdur: string[];
+    'connection-point': CONNECTIONPOINT[];
+}
+
+/** Interface for _AdminDetails */
+// tslint:disable-next-line:class-name
+export interface _AdminDetails {
+    usageState: string;
+    projects_write: string[];
+    projects_read: string[];
+    operationalState: string;
+    modified: string;
+    storage: Storage;
+    onboardingState: string;
+    userDefinedData: JSON;
+    created: number;
+}
+
+/** Interface for Storage */
+interface Storage {
+    path: string;
+    'pkg-dir': string;
+    zipfile: string;
+    folder: string;
+    descriptor: string;
+    fs: string;
+}
+
+/** Interface for NSDVLD */
+export interface NSDVLD {
+    'vim-id': string;
+    'status-detailed': string;
+    name: string;
+    status: string;
+    'vim-network-name': string;
+    id: string;
+    'type': string;
+    'vnfd-connection-point-ref': VNFDCONNECTIONPOINTREF[];
+    'short-name': string;
+}
+
+/** Interface for InstantiateParam */
+interface InstantiateParam {
+    nsdId: string;
+    nsName: string;
+    nsDescription: string;
+    vimAccountId: string;
+}
+
+/** Interface for AdditionalParamForN */
+interface AdditionalParamForN {
+    _id: string;
+    'ns-instance-config-ref': string;
+    'crete-time': string;
+}
+
+/** interface for the History nsdInstanceData */
+export interface NSDInstanceData {
+    id?: string;
+    lcmOperationType?: string;
+    operationState?: string;
+    startTime?: number;
+    statusEnteredTime?: number;
+    identifier: string;
+    name: string;
+    NsdName: string;
+    OperationalStatus: string;
+    ConfigStatus: string;
+    DetailedStatus: string;
+    state?: string;
+    memberIndex?: object;
+    nsConfig?: object;
+}
+
+/** Interface for the nsInfo */
+export interface NSINFO {
+    nsInstanceID: string;
+    nsName: string;
+    nsOperationalStatus: string;
+    nsConfigStatus: string;
+    nsDetailedStatus: string;
+    nsResourceOrchestrator: string;
+}
+
+/** Interface for the NSINSTANCENODES */
+export interface NSINSTANCENODES {
+    id?: string;
+    nodeTypeRef?: string;
+    name?: string;
+    'type'?: string;
+    vnfdCP?: VNFDCONNECTIONPOINTREF[];
+    vimNetworkName?: string;
+    shortName?: string;
+    cp?: CONNECTIONPOINT[];
+    vdur?: string[];
+    vld?: NSDVLD[];
+    nsID?: string;
+    vnfdID?: string;
+    vimID?: string;
+    vndfrID?: string;
+    ipAddress?: string;
+    memberIndex?: string;
+    vnfdRef?: string;
+    vndfCPRef?: string;
+    selectorId?: string;
+}
+
+/** Interface for the connection-point */
+export interface CONNECTIONPOINT {
+    'connection-point-id': string;
+    name: string;
+    id: string;
+}
+
+/** Interface for Exec NS Primitive */
+export interface NSPrimitive {
+    'primitive': string;
+    'primitive_params': NSPrimitiveParams[];
+    'member_vnf_index': string;
+}
+
+/** Interface for Exec NS Primitive Params */
+export interface NSPrimitiveParams {
+    primitive_params_name: string;
+    primitive_params_value: string;
+}
+
+/** Interface Nodes Creation */
+export interface COMPOSERNODES {
+    id: string;
+    reflexive: Boolean;
+    nodeTypeRef: string;
+    name?: string;
+    nodeIndex?: number;
+    selectorId?: string;
+    x?: number;
+    y?: number;
+    fx?: number;
+    fy?: number;
+    shortName?: string;
+    vimNetworkName?: string;
+    'type'?: string;
+    vnfdRef?: string;
+    memberIndex?: string;
+    vimID?: string;
+    vndfrID?: string;
+    ipAddress?: string;
+    nsID?: string;
+    vnfdID?: string;
+}
+
+/** Interface for the Virtual Link Info */
+export interface VLINFO {
+    id: string;
+    name: string;
+    'type': string;
+    shortName: string;
+    vimNetworkName: string;
+}
+
+/** Interface for the VNFR Info */
+export interface VNFRINFO{
+    vimID: string;
+    _id: string;
+    ip: string;
+    nsrID: string;
+    id: string;
+    vnfdRef: string;
+    vnfdId: string;
+    memberIndex: string;
+}