diff --git a/authentication/authentication-internal-service/src/test/java/io/mosip/authentication/internal/service/batch/MissingCredentialsItemReaderTest.java b/authentication/authentication-internal-service/src/test/java/io/mosip/authentication/internal/service/batch/MissingCredentialsItemReaderTest.java
new file mode 100644
index 00000000000..06107712d9a
--- /dev/null
+++ b/authentication/authentication-internal-service/src/test/java/io/mosip/authentication/internal/service/batch/MissingCredentialsItemReaderTest.java
@@ -0,0 +1,134 @@
+package io.mosip.authentication.internal.service.batch;
+
+import io.mosip.authentication.common.service.impl.idevent.CredentialStoreStatus;
+import io.mosip.authentication.common.service.integration.CredentialRequestManager;
+import io.mosip.authentication.common.service.repository.CredentialEventStoreRepository;
+import io.mosip.authentication.core.exception.IDDataValidationException;
+import io.mosip.authentication.core.exception.IdAuthRetryException;
+import io.mosip.idrepository.core.dto.CredentialRequestIdsDto;
+import io.mosip.idrepository.core.exception.RestServiceException;
+import io.mosip.kernel.core.util.DateUtils;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.util.ReflectionTestUtils;
+import org.springframework.web.context.WebApplicationContext;
+
+import java.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
+
+@RunWith(SpringRunner.class)
+@WebMvcTest
+@ContextConfiguration(classes = {TestContext.class, WebApplicationContext.class})
+public class MissingCredentialsItemReaderTest {
+
+    /** The MissingCredentialsItemReader */
+    @InjectMocks
+    private MissingCredentialsItemReader missingCredentialsItemReader;
+
+    @Mock
+    private CredentialEventStoreRepository credentialEventRepo;
+
+    @Mock
+    private CredentialRequestManager credentialRequestManager;
+
+    @Before
+    public void Before(){
+        ReflectionTestUtils.setField(missingCredentialsItemReader, "maxCredentialPullWindowDays", 5);
+        ReflectionTestUtils.setField(missingCredentialsItemReader, "currentPageIndex", new AtomicInteger(0));
+    }
+    /**
+     * This class tests the initialize method
+     */
+    @Test
+    public  void initializeTest(){
+        ReflectionTestUtils.invokeMethod(missingCredentialsItemReader, "initialize");
+    }
+
+    /**
+     * This class tests the read method
+     *
+     * @throws Exception exception
+     */
+    @Test
+    public void readTest() throws Exception {
+        //        requestIdsIterator.hasNext() is false
+        missingCredentialsItemReader.read();
+        //        requestIdsIterator.hasNext() = true
+        CredentialRequestIdsDto credentialRequestIdsDto1= new CredentialRequestIdsDto();
+        CredentialRequestIdsDto credentialRequestIdsDto2= new CredentialRequestIdsDto();
+        CredentialRequestIdsDto credentialRequestIdsDto3= new CredentialRequestIdsDto();
+        List<CredentialRequestIdsDto> credRequests = new ArrayList<>();
+        credRequests.add(credentialRequestIdsDto1);
+        credRequests.add(credentialRequestIdsDto2);
+        credRequests.add(credentialRequestIdsDto3);
+        LocalDateTime t=LocalDateTime.now().plusYears(1);
+        Mockito.when(credentialEventRepo.findMaxCrDTimesByStatusCode(CredentialStoreStatus.STORED.name())).thenReturn(java.util.Optional.of(t));
+        Mockito.when(credentialRequestManager.getMissingCredentialsPageItems(0, DateUtils.formatToISOString(t))).thenReturn(credRequests);
+        ReflectionTestUtils.invokeMethod(missingCredentialsItemReader, "read");
+    }
+
+    /**
+     * This class tests the read method where it
+     * failed and throws IdAuthRetryException
+     *
+     */
+    @Test(expected = IdAuthRetryException.class)
+    public void readIdAuthRetryExceptionTest() throws Exception {
+        LocalDateTime t=LocalDateTime.now().plusYears(1);
+        Mockito.when(credentialEventRepo.findMaxCrDTimesByStatusCode(CredentialStoreStatus.STORED.name())).thenReturn(java.util.Optional.of(t));
+        Mockito.doThrow(IDDataValidationException.class).when(credentialRequestManager).getMissingCredentialsPageItems(0, DateUtils.formatToISOString(t));
+        ReflectionTestUtils.invokeMethod(missingCredentialsItemReader, "read");
+    }
+
+    /**
+     * This class tests the read method where it
+     * failed and throws Exception
+     *
+     */
+    @Test(expected = Exception.class)
+    public void readExceptionTest() throws RestServiceException, IDDataValidationException {
+        CredentialRequestIdsDto credentialRequestIdsDto1= new CredentialRequestIdsDto();
+        CredentialRequestIdsDto credentialRequestIdsDto2= new CredentialRequestIdsDto();
+        CredentialRequestIdsDto credentialRequestIdsDto3= new CredentialRequestIdsDto();
+        List<CredentialRequestIdsDto> credRequests = new ArrayList<>();
+        credRequests.add(credentialRequestIdsDto1);
+        credRequests.add(credentialRequestIdsDto2);
+        credRequests.add(credentialRequestIdsDto3);
+        LocalDateTime t=LocalDateTime.now().plusYears(1);
+        List<String> requestIds=new ArrayList<>();
+        requestIds.add(null);requestIds.add(null);requestIds.add(null);
+        Mockito.when(credentialEventRepo.findMaxCrDTimesByStatusCode(CredentialStoreStatus.STORED.name())).thenReturn(java.util.Optional.of(t));
+        Mockito.when(credentialRequestManager.getMissingCredentialsPageItems(0, DateUtils.formatToISOString(t))).thenReturn(credRequests);
+        Mockito.when(credentialEventRepo.findDistictCredentialTransactionIdsInList(requestIds)).thenReturn(null);
+        ReflectionTestUtils.invokeMethod(missingCredentialsItemReader, "read");
+    }
+
+    /**
+     * This class tests the getRequestIdsIterator method
+     */
+    @Test
+    public  void getRequestIdsIteratorTest(){
+        ReflectionTestUtils.invokeMethod(missingCredentialsItemReader, "getRequestIdsIterator");
+    }
+
+    /**
+     * This class tests the getEffectiveDTimes method
+     *
+     */
+    @Test
+    public void getEffectiveDTimesTest(){
+        Mockito.when(credentialEventRepo.findMaxCrDTimesByStatusCode(CredentialStoreStatus.STORED.name())).thenReturn(java.util.Optional.ofNullable(LocalDateTime.now().minus(5, ChronoUnit.DAYS)));
+        ReflectionTestUtils.invokeMethod(missingCredentialsItemReader, "getEffectiveDTimes");
+    }
+}