diff --git a/server/src/internalClusterTest/java/org/opensearch/indices/replication/SegmentReplicationIT.java b/server/src/internalClusterTest/java/org/opensearch/indices/replication/SegmentReplicationIT.java
index 9b2ab753832d3..c3661c0354e41 100644
--- a/server/src/internalClusterTest/java/org/opensearch/indices/replication/SegmentReplicationIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/indices/replication/SegmentReplicationIT.java
@@ -235,6 +235,48 @@ public void testReplicationAfterPrimaryRefreshAndFlush() throws Exception {
         }
     }
 
+    public void testIndexReopenClose() throws Exception {
+        final String primary = internalCluster().startNode();
+        createIndex(INDEX_NAME);
+        ensureYellowAndNoInitializingShards(INDEX_NAME);
+        final String replica = internalCluster().startNode();
+        ensureGreen(INDEX_NAME);
+
+        client().prepareIndex(INDEX_NAME).setId("1").setSource("foo", "bar").setRefreshPolicy(WriteRequest.RefreshPolicy.IMMEDIATE).get();
+        refresh(INDEX_NAME);
+
+        final int initialDocCount = scaledRandomIntBetween(10000, 200000);
+        try (
+            BackgroundIndexer indexer = new BackgroundIndexer(
+                INDEX_NAME,
+                "_doc",
+                client(),
+                -1,
+                RandomizedTest.scaledRandomIntBetween(2, 5),
+                false,
+                random()
+            )
+        ) {
+            indexer.start(initialDocCount);
+            waitForDocs(initialDocCount, indexer);
+            refresh(INDEX_NAME);
+            waitForReplicaUpdate();
+        }
+
+        flushAndRefresh(INDEX_NAME);
+        waitForReplicaUpdate();
+
+        logger.info("--> Closing the index ");
+        client().admin().indices().prepareClose(INDEX_NAME).get();
+
+        // Add another node to kick off TransportNodesListGatewayStartedShards which fetches latestReplicationCheckpoint for SegRep enabled
+        // indices
+        final String replica2 = internalCluster().startNode();
+
+        logger.info("--> Opening the index");
+        client().admin().indices().prepareOpen(INDEX_NAME).get();
+    }
+
     public void testMultipleShards() throws Exception {
         Settings indexSettings = Settings.builder()
             .put(super.indexSettings())
diff --git a/server/src/main/java/org/opensearch/index/engine/NRTReplicationEngine.java b/server/src/main/java/org/opensearch/index/engine/NRTReplicationEngine.java
index 12d420aa245fa..b4e2ce38f97e6 100644
--- a/server/src/main/java/org/opensearch/index/engine/NRTReplicationEngine.java
+++ b/server/src/main/java/org/opensearch/index/engine/NRTReplicationEngine.java
@@ -18,6 +18,7 @@
 import org.opensearch.common.lucene.index.OpenSearchDirectoryReader;
 import org.opensearch.common.unit.ByteSizeValue;
 import org.opensearch.common.unit.TimeValue;
+import org.opensearch.common.util.concurrent.ReleasableLock;
 import org.opensearch.core.internal.io.IOUtils;
 import org.opensearch.index.seqno.LocalCheckpointTracker;
 import org.opensearch.index.seqno.SeqNoStats;
@@ -122,17 +123,20 @@ public TranslogManager translogManager() {
 
     public synchronized void updateSegments(final SegmentInfos infos, long seqNo) throws IOException {
         // Update the current infos reference on the Engine's reader.
-        final long incomingGeneration = infos.getGeneration();
-        readerManager.updateSegments(infos);
-
-        // Commit and roll the xlog when we receive a different generation than what was last received.
-        // lower/higher gens are possible from a new primary that was just elected.
-        if (incomingGeneration != lastReceivedGen) {
-            commitSegmentInfos();
-            translogManager.rollTranslogGeneration();
+        ensureOpen();
+        try (ReleasableLock lock = writeLock.acquire()) {
+            final long incomingGeneration = infos.getGeneration();
+            readerManager.updateSegments(infos);
+
+            // Commit and roll the xlog when we receive a different generation than what was last received.
+            // lower/higher gens are possible from a new primary that was just elected.
+            if (incomingGeneration != lastReceivedGen) {
+                commitSegmentInfos();
+                translogManager.rollTranslogGeneration();
+            }
+            lastReceivedGen = incomingGeneration;
+            localCheckpointTracker.fastForwardProcessedSeqNo(seqNo);
         }
-        lastReceivedGen = incomingGeneration;
-        localCheckpointTracker.fastForwardProcessedSeqNo(seqNo);
     }
 
     /**
diff --git a/server/src/main/java/org/opensearch/indices/replication/SegmentReplicationTarget.java b/server/src/main/java/org/opensearch/indices/replication/SegmentReplicationTarget.java
index 26bec2203c599..babb4baffea50 100644
--- a/server/src/main/java/org/opensearch/indices/replication/SegmentReplicationTarget.java
+++ b/server/src/main/java/org/opensearch/indices/replication/SegmentReplicationTarget.java
@@ -216,6 +216,7 @@ private void finalizeReplication(CheckpointInfoResponse checkpointInfoResponse,
                     toIndexInput(checkpointInfoResponse.getInfosBytes()),
                     responseCheckpoint.getSegmentsGen()
                 );
+                cancellableThreads.checkForCancel();
                 indexShard.finalizeReplication(infos, responseCheckpoint.getSeqNo());
                 store.cleanupAndPreserveLatestCommitPoint("finalize - clean with in memory infos", infos);
             } catch (CorruptIndexException | IndexFormatTooNewException | IndexFormatTooOldException ex) {