diff --git a/api/src/main/java/org/openmrs/Patient.java b/api/src/main/java/org/openmrs/Patient.java
index 4a4bb3219200..5b3ea8496a52 100644
--- a/api/src/main/java/org/openmrs/Patient.java
+++ b/api/src/main/java/org/openmrs/Patient.java
@@ -30,6 +30,10 @@
 import java.util.List;
 import java.util.Set;
 import java.util.TreeSet;
+import org.hibernate.annotations.SortNatural;
+import org.hibernate.search.annotations.ContainedIn;
+import org.hibernate.search.annotations.Field;
+import org.hibernate.search.annotations.Indexed;
 
 /**
  * Defines a Patient in the system. A patient is simply an extension of a person and all that that
@@ -40,6 +44,7 @@
 @Entity
 @Table(name = "patient")
 @PrimaryKeyJoinColumn(name = "patient_id")
+@Indexed
 public class Patient extends Person {
 	
 	public static final long serialVersionUID = 93123L;
diff --git a/api/src/main/java/org/openmrs/Person.java b/api/src/main/java/org/openmrs/Person.java
index e7270ac8ec39..617ae87ad64c 100644
--- a/api/src/main/java/org/openmrs/Person.java
+++ b/api/src/main/java/org/openmrs/Person.java
@@ -46,9 +46,14 @@
 import org.hibernate.annotations.LazyCollection;
 import org.hibernate.annotations.LazyCollectionOption;
 import org.hibernate.annotations.SortNatural;
+import org.hibernate.search.annotations.Analyze;
 import org.hibernate.search.annotations.ContainedIn;
+import org.hibernate.search.annotations.DateBridge;
 import org.hibernate.search.annotations.DocumentId;
 import org.hibernate.search.annotations.Field;
+import org.hibernate.search.annotations.Index;
+import org.hibernate.search.annotations.Indexed;
+import org.hibernate.search.annotations.Resolution;
 import org.openmrs.util.OpenmrsUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -65,6 +70,7 @@
 @Entity
 @Table(name = "person")
 @Inheritance(strategy = InheritanceType.JOINED)
+@Indexed
 public class Person extends BaseChangeableOpenmrsData {
 	
 	public static final long serialVersionUID = 2L;
@@ -102,10 +108,12 @@ public class Person extends BaseChangeableOpenmrsData {
 	@ContainedIn
 	private Set<PersonAttribute> attributes = null;
 	
-	@Field
+	@Field(name="gender",index=Index.YES, analyze=Analyze.YES)
 	@Column(length = 50)
 	private String gender;
 	
+	@Field(name="birthdate",index=Index.YES, analyze=Analyze.YES)
+	@DateBridge(resolution = Resolution.MILLISECOND)
 	@Column(name = "birthdate", length = 10)
 	private Date birthdate;
 	
diff --git a/api/src/main/java/org/openmrs/util/OpenmrsConstants.java b/api/src/main/java/org/openmrs/util/OpenmrsConstants.java
index b2b919dc4729..ca78e69e69a5 100644
--- a/api/src/main/java/org/openmrs/util/OpenmrsConstants.java
+++ b/api/src/main/java/org/openmrs/util/OpenmrsConstants.java
@@ -599,9 +599,9 @@ public static final Collection<String> AUTO_ROLES() {
 	/**
 	 * Indicates the version of the search index. The index will be rebuilt, if the version changes.
 	 * 
-	 * @since 1.11
+	 * @since 2.3  
 	 */
-	public static final Integer SEARCH_INDEX_VERSION = 7;
+	public static final Integer SEARCH_INDEX_VERSION = 8;
 
 	/**
 	 * @since 1.12
diff --git a/api/src/test/java/org/openmrs/api/db/PatientDAOTest.java b/api/src/test/java/org/openmrs/api/db/PatientDAOTest.java
index b579efa612c7..21493b6c2366 100644
--- a/api/src/test/java/org/openmrs/api/db/PatientDAOTest.java
+++ b/api/src/test/java/org/openmrs/api/db/PatientDAOTest.java
@@ -51,6 +51,7 @@
 import org.openmrs.api.db.hibernate.HibernatePatientDAO;
 import org.openmrs.api.db.hibernate.HibernatePersonDAO;
 import org.openmrs.api.db.hibernate.PersonAttributeHelper;
+import org.openmrs.api.db.hibernate.search.LuceneQuery;
 import org.openmrs.test.BaseContextSensitiveTest;
 import org.openmrs.util.GlobalPropertiesTestHelper;
 import org.openmrs.util.OpenmrsConstants;
@@ -2468,4 +2469,27 @@ public void getPatients_shouldFindPatientsEfficiently() throws IOException, URIS
 		time = System.currentTimeMillis() - time;
 		System.out.println("Anywhere search for 'uric' attribute limited to 15 results returned in " + time + " ms");
 	}
+	
+	@Test
+	public void savePatients_shouldChangeLuceneIndexOfPersonClass() {
+		List<String> fields=new ArrayList<>();
+		fields.add("gender");
+		
+		LuceneQuery<Person> luceneQuery = LuceneQuery
+				.newQuery(Person.class, sessionFactory.getCurrentSession(), "M", fields);
+		luceneQuery.include("isPatient", true);
+		luceneQuery.include("voided", false);
+		Assert.assertEquals(44,luceneQuery.resultSize());
+		Patient patient=patientService.getPatient(6);
+		patient.setGender("F");
+		patientService.savePatient(patient);
+		
+		updateSearchIndex();
+		//As the gender of patient(with ID=6) is change to female, count of male patients reduce by 1
+		LuceneQuery<Person> updatedQuery = LuceneQuery
+				.newQuery(Person.class, sessionFactory.getCurrentSession(), "M", fields);
+		updatedQuery.include("isPatient", true);
+		updatedQuery.include("voided", false);
+		Assert.assertEquals(43,luceneQuery.resultSize());
+	}
 }
diff --git a/api/src/test/java/org/openmrs/test/BaseContextSensitiveTest.java b/api/src/test/java/org/openmrs/test/BaseContextSensitiveTest.java
index 23046f71bc40..aab19d1a4028 100644
--- a/api/src/test/java/org/openmrs/test/BaseContextSensitiveTest.java
+++ b/api/src/test/java/org/openmrs/test/BaseContextSensitiveTest.java
@@ -75,6 +75,7 @@
 import org.openmrs.ConceptName;
 import org.openmrs.Drug;
 import org.openmrs.PatientIdentifier;
+import org.openmrs.Person;
 import org.openmrs.PersonAttribute;
 import org.openmrs.PersonName;
 import org.openmrs.User;
@@ -946,7 +947,7 @@ public void baseSetupWithStandardDataAndAuthentication() throws SQLException {
 	
 	public Class<?>[] getIndexedTypes() {
 		return new Class<?>[] { ConceptName.class, Drug.class, PersonName.class, PersonAttribute.class,
-				PatientIdentifier.class};
+				PatientIdentifier.class,Person.class};
 	}
 	
 	/**