diff --git a/components/ProjectDetails/index.tsx b/components/ProjectDetails/index.tsx
index 8159e1c..7873dbc 100644
--- a/components/ProjectDetails/index.tsx
+++ b/components/ProjectDetails/index.tsx
@@ -20,9 +20,9 @@
  */
 
 import React, { useState, useEffect } from 'react';
-import { Card, Divider, Modal, Button, message } from 'antd';
+import { Card, Divider, Modal } from 'antd';
 import { useRouter } from 'next/router';
-import { EditOutlined, DeleteOutlined, UserAddOutlined } from '@ant-design/icons';
+import { EditOutlined, DeleteOutlined } from '@ant-design/icons';
 import { Toaster } from 'react-hot-toast';
 
 import { authorizedApiRequest } from '@/global/utils/api';
@@ -31,6 +31,7 @@ import toast, { ToastType } from '@/global/utils/toast';
 
 import useAuthContext from '../../global/hooks/useAuthContext';
 import UpdateProject from '../ProjectUpdate';
+import ProjectInviteUsers from '../ProjectInviteUsers';
 
 const CardDivColumn: React.CSSProperties = {
 	display: 'flex',
@@ -69,6 +70,7 @@ function convertToTableData(responseData: any): Project {
 		studyCount: responseData?.study_count,
 	};
 }
+
 const ProjectDetails: React.FC = () => {
 	const [origin, setOrigin] = useState('');
 	const [loading, setLoading] = useState(true);
@@ -201,9 +203,7 @@ const ProjectDetails: React.FC = () => {
 								<span style={{ textAlign: 'right', maxWidth: 600 }}>{project?.description} </span>
 							</div>
 							<Divider />
-							<Button type="primary" icon={<UserAddOutlined />} ghost>
-								Invite users to project
-							</Button>
+							<ProjectInviteUsers />
 						</>
 					}
 				/>
diff --git a/components/ProjectInviteUsers/index.tsx b/components/ProjectInviteUsers/index.tsx
new file mode 100644
index 0000000..27e703c
--- /dev/null
+++ b/components/ProjectInviteUsers/index.tsx
@@ -0,0 +1,145 @@
+import { Button, Form, Modal, Select, SelectProps } from 'antd';
+import { FC, useEffect, useState } from 'react';
+import { UserAddOutlined } from '@ant-design/icons';
+import { useRouter } from 'next/router';
+
+import { authorizedApiRequest } from '@/global/utils/api';
+import { API_ROUTES_PATHS, HttpMethods } from '@/global/utils/constants';
+import toast, { ToastType } from '@/global/utils/toast';
+
+type User = {
+	value: string;
+	label: string;
+};
+
+function convertToTableData(responseData: []): User[] {
+	return responseData.map((element: any) => {
+		return {
+			value: element?.id,
+			label: `${element?.firstName} ${element?.lastName}`,
+		};
+	});
+}
+
+const ProjectInviteUsers: FC = () => {
+	const [isModalOpen, setIsModalOpen] = useState(false);
+	const [users, setUsers] = useState<SelectProps['options']>([]);
+	const [loading, setloading] = useState(false);
+	const [selectedUsers, setSelectedUsers] = useState<string[]>([]);
+
+	useEffect(() => {
+		authorizedApiRequest(HttpMethods.GET, API_ROUTES_PATHS.USERS)
+			.then((data) => {
+				setUsers(convertToTableData(data?.users));
+			})
+			.catch((error) => {
+				console.log(error);
+			});
+	}, []);
+
+	const router = useRouter().query;
+	const projectId = router['project-id'];
+
+	const showModal = () => {
+		setIsModalOpen(true);
+	};
+
+	const handleOk = () => {
+		setSelectedUsers([]);
+		setIsModalOpen(false);
+	};
+
+	const handleCancel = () => {
+		setSelectedUsers([]);
+		setIsModalOpen(false);
+	};
+
+	const handleChange = (value: string[]) => {
+		setSelectedUsers([...value]);
+	};
+
+	const handleClear = () => {
+		setSelectedUsers([]);
+	};
+
+	const InviteUsers = () => {
+		setloading(true);
+		const uniqueUsers = new Set(selectedUsers);
+		const users = [...uniqueUsers];
+		Promise.all(
+			users.map((user) =>
+				authorizedApiRequest(
+					HttpMethods.POST,
+					`${API_ROUTES_PATHS.PROJECTS}/${projectId}/users/${user}`,
+				)
+					.then((data) => console.log())
+					.catch((error) => {
+						console.log(error);
+						throw error;
+					}),
+			),
+		)
+			.then((data) => {
+				toast(ToastType.SUCCESS, 'Users are invited successfully');
+				setloading(false);
+				handleOk();
+			})
+			.catch((error) => {
+				console.log(error);
+				setloading(false);
+			});
+	};
+
+	return (
+		<>
+			<Button onClick={() => showModal()} type="primary" icon={<UserAddOutlined />} ghost>
+				Add users to project
+			</Button>
+			<Modal
+				title="Add users to project"
+				open={isModalOpen}
+				onOk={handleOk}
+				onCancel={handleCancel}
+				footer={false}
+			>
+				<Form
+					size="large"
+					name="basic"
+					style={{ minWidth: 400, margin: 'auto' }}
+					onFinish={InviteUsers}
+					layout="horizontal"
+					autoComplete="off"
+					labelCol={{ span: 7 }}
+				>
+					<Form.Item label="Users" rules={[{ required: true, message: 'Please select users' }]}>
+						<Select
+							mode="multiple"
+							onClear={handleClear}
+							value={selectedUsers}
+							style={{ width: '100%' }}
+							placeholder="Please select users to add"
+							onChange={handleChange}
+							options={users}
+							showSearch
+							optionFilterProp="label"
+						/>
+					</Form.Item>
+					<Form.Item style={{ display: 'flex', justifyContent: 'end', width: '100%' }}>
+						<Button
+							disabled={!selectedUsers.length}
+							loading={loading}
+							size="large"
+							block
+							type="primary"
+							htmlType="submit"
+						>
+							Add users
+						</Button>
+					</Form.Item>
+				</Form>
+			</Modal>
+		</>
+	);
+};
+
+export default ProjectInviteUsers;
diff --git a/global/utils/api.ts b/global/utils/api.ts
index 5b3b27b..b7ab736 100644
--- a/global/utils/api.ts
+++ b/global/utils/api.ts
@@ -51,5 +51,10 @@ export async function authorizedApiRequest(method: HttpMethods, url = '', data =
 		throw errorObj;
 	}
 
-	return response.json();
+	const contentLength = response.headers.get('Content-Length');
+	if (contentLength && parseInt(contentLength) > 0) {
+		return response.json();
+	} else {
+		return;
+	}
 }