diff --git a/plugin/pkg/admission/podtolerationrestriction/admission.go b/plugin/pkg/admission/podtolerationrestriction/admission.go
index 12d7beb5a51..e672f99ff8f 100644
--- a/plugin/pkg/admission/podtolerationrestriction/admission.go
+++ b/plugin/pkg/admission/podtolerationrestriction/admission.go
@@ -132,8 +132,9 @@ func (p *podTolerationsPlugin) Admit(a admission.Attributes, o admission.ObjectI
 			},
 		})
 	}
-	pod.Spec.Tolerations = finalTolerations
-
+	// Final merge of tolerations irrespective of pod type, if the user while creating pods gives
+	// conflicting tolerations(with same key+effect), the existing ones should be overwritten by latest one
+	pod.Spec.Tolerations = tolerations.MergeTolerations(finalTolerations, []api.Toleration{})
 	return p.Validate(a, o)
 }
 func (p *podTolerationsPlugin) Validate(a admission.Attributes, o admission.ObjectInterfaces) error {
diff --git a/plugin/pkg/admission/podtolerationrestriction/admission_test.go b/plugin/pkg/admission/podtolerationrestriction/admission_test.go
index 7b7d9d88034..0b0849c9468 100644
--- a/plugin/pkg/admission/podtolerationrestriction/admission_test.go
+++ b/plugin/pkg/admission/podtolerationrestriction/admission_test.go
@@ -201,6 +201,18 @@ func TestPodAdmission(t *testing.T) {
 			admit:    true,
 			testName: "added memoryPressure/DiskPressure for Burstable pod",
 		},
+		{
+			pod:                       bestEffortPod,
+			defaultClusterTolerations: []api.Toleration{},
+			namespaceTolerations:      []api.Toleration{},
+			whitelist:                 []api.Toleration{},
+			podTolerations:            []api.Toleration{{Key: "testKey", Operator: "Equal", Value: "testValue", Effect: "NoSchedule", TolerationSeconds: nil}, {Key: "testKey", Operator: "Equal", Value: "testValue1", Effect: "NoSchedule", TolerationSeconds: nil}},
+			mergedTolerations: []api.Toleration{
+				{Key: "testKey", Operator: "Equal", Value: "testValue1", Effect: "NoSchedule", TolerationSeconds: nil},
+			},
+			admit:    true,
+			testName: "Besteffort pod should overwrite for conflicting tolerations",
+		},
 		{
 			pod:                       guaranteedPod,
 			defaultClusterTolerations: []api.Toleration{},