let fakeUsers = [{id: 1, firstName: 'Dhiraj', lastName: 'Ray', email: 'dhiraj@gmail.com'}, {id: 1, firstName: 'Tom', lastName: 'Jac', email: 'Tom@gmail.com'}, {id: 1, firstName: 'Hary', lastName: 'Pan', email: 'hary@gmail.com'}, {id: 1, firstName: 'praks', lastName: 'pb', email: 'praks@gmail.com'}, ]; return Observable.of(fakeUsers).delay(5000);