diff --git a/adaptercore/openolt_eventmgr.go b/adaptercore/openolt_eventmgr.go
index 75086dc..835abe6 100644
--- a/adaptercore/openolt_eventmgr.go
+++ b/adaptercore/openolt_eventmgr.go
@@ -18,11 +18,13 @@
 package adaptercore
 
 import (
+	ctx "context"
 	"fmt"
 	"strconv"
 
 	"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
 	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-protos/v3/go/common"
 	oop "github.com/opencord/voltha-protos/v3/go/openolt"
 	"github.com/opencord/voltha-protos/v3/go/voltha"
 )
@@ -47,6 +49,7 @@
 	onuLossOfKeySyncEvent   = "ONU_LOSS_OF_KEY_SYNC"
 	onuLossOfFrameEvent     = "ONU_LOSS_OF_FRAME"
 	onuLossOfPloamEvent     = "ONU_LOSS_OF_PLOAM"
+	ponIntfDownIndiction    = "OLT_PON_INTERFACE_DOWN"
 )
 
 const (
@@ -446,3 +449,40 @@
 	log.Infow("ONU loss of key sync event sent to KAFKA", log.Fields{"onu-id": onuLOKI.OnuId, "intf-id": onuLOKI.IntfId})
 	return nil
 }
+
+// oltIntfOperIndication handles Up and Down state of an OLT PON ports
+func (em *OpenOltEventMgr) oltIntfOperIndication(ifindication *oop.IntfOperIndication, deviceID string, raisedTs int64) {
+	var de voltha.DeviceEvent
+	context := make(map[string]string)
+	portID := IntfIDToPortNo(ifindication.IntfId, voltha.Port_PON_OLT)
+	device, err := em.handler.coreProxy.GetDevice(ctx.Background(), deviceID, deviceID)
+	if err != nil {
+		log.Errorw("Error while fetching Device object", log.Fields{"DeviceId": deviceID})
+	}
+	for _, port := range device.Ports {
+		if port.PortNo == portID {
+			// Events are suppressed if the Port Adminstate is not enabled.
+			if port.AdminState != common.AdminState_ENABLED {
+				log.Infow("Port disable/enable event not generated because, The port is not enabled by operator", log.Fields{"deviceId": deviceID, "port": port})
+				return
+			}
+			break
+		}
+	}
+	/* Populating event context */
+	context["oper-state"] = ifindication.GetOperState()
+	/* Populating device event body */
+	de.Context = context
+	de.ResourceId = deviceID
+
+	if ifindication.GetOperState() == operationStateDown {
+		de.DeviceEventName = fmt.Sprintf("%s_%s", ponIntfDownIndiction, "RAISE_EVENT")
+	} else if ifindication.OperState == operationStateUp {
+		de.DeviceEventName = fmt.Sprintf("%s_%s", ponIntfDownIndiction, "CLEAR_EVENT")
+	}
+	/* Send event to KAFKA */
+	if err := em.eventProxy.SendDeviceEvent(&de, communication, olt, raisedTs); err != nil {
+		log.Errorw("failed-to-send-olt-intf-oper-status-event", log.Fields{"err": err})
+	}
+	log.Info("sent-olt-intf-oper-status-event-to-kafka")
+}