diff --git a/internal/resources/ekscluster/helpers.go b/internal/resources/ekscluster/helpers.go
index 2c3ce9866..3b4bb21af 100644
--- a/internal/resources/ekscluster/helpers.go
+++ b/internal/resources/ekscluster/helpers.go
@@ -7,6 +7,8 @@ package ekscluster
 import (
 	"reflect"
 
+	"github.com/pkg/errors"
+
 	eksmodel "github.com/vmware/terraform-provider-tanzu-mission-control/internal/models/ekscluster"
 )
 
@@ -194,17 +196,22 @@ func setEquality(s1, s2 []string) bool {
 	return true
 }
 
-func copyClusterTagsToNodepools(nodepoolTags map[string]string, eksTags map[string]string) map[string]string {
+func copyClusterTagsToNodepools(nodepoolTags map[string]string, eksTags map[string]string) (map[string]string, error) {
 	npTags := make(map[string]string)
+
+	var err error
+
 	if len(nodepoolTags) > 0 {
 		npTags = nodepoolTags
 	}
 
 	for tmcTag, tmcVal := range eksTags {
-		if _, ok := npTags[tmcTag]; !ok {
+		if val, ok := npTags[tmcTag]; !ok {
 			npTags[tmcTag] = tmcVal
+		} else if val == tmcVal {
+			err = errors.Errorf("key:%v, val:%v", tmcTag, val)
 		}
 	}
 
-	return npTags
+	return npTags, err
 }
diff --git a/internal/resources/ekscluster/resource_ekscluster.go b/internal/resources/ekscluster/resource_ekscluster.go
index d4a43753f..4f78804bd 100644
--- a/internal/resources/ekscluster/resource_ekscluster.go
+++ b/internal/resources/ekscluster/resource_ekscluster.go
@@ -588,7 +588,12 @@ func resourceClusterCreate(ctx context.Context, d *schema.ResourceData, m interf
 	clusterSpec, nps := constructEksClusterSpec(d)
 	// Copy tags from cluster to nodepool
 	for _, npDefData := range nps {
-		npDefData.Spec.Tags = copyClusterTagsToNodepools(npDefData.Spec.Tags, clusterSpec.Config.Tags)
+		var err error
+		npDefData.Spec.Tags, err = copyClusterTagsToNodepools(npDefData.Spec.Tags, clusterSpec.Config.Tags)
+
+		if err != nil {
+			return diag.FromErr(errors.Wrap(err, "Nodepool tags should not be same as cluster tags"))
+		}
 	}
 
 	clusterReq := &eksmodel.VmwareTanzuManageV1alpha1EksclusterCreateUpdateEksClusterRequest{
@@ -682,7 +687,10 @@ func resourceClusterInPlaceUpdate(ctx context.Context, d *schema.ResourceData, m
 
 	// Copy tags from cluster to nodepool
 	for _, npDefData := range nodepools {
-		npDefData.Spec.Tags = copyClusterTagsToNodepools(npDefData.Spec.Tags, clusterSpec.Config.Tags)
+		npDefData.Spec.Tags, err = copyClusterTagsToNodepools(npDefData.Spec.Tags, clusterSpec.Config.Tags)
+		if err != nil {
+			return diag.FromErr(errors.Wrap(err, "Nodepool tags should not be same as cluster tags"))
+		}
 	}
 	// EKS cluster update API on TMC side ignores nodepools passed to it.
 	// The nodepools have to be updated via separate nodepool API, hence we
diff --git a/internal/resources/ekscluster/resource_ekscluster_test.go b/internal/resources/ekscluster/resource_ekscluster_test.go
index 6afccc83b..c1cfb0c77 100644
--- a/internal/resources/ekscluster/resource_ekscluster_test.go
+++ b/internal/resources/ekscluster/resource_ekscluster_test.go
@@ -422,9 +422,8 @@ func getMockEksClusterSpec(accountID string, templateID string) (eksmodel.Vmware
 				RoleArn: controlPlaneRoleARN,
 				Tags: map[string]string{
 					"tmc.cloud.vmware.com/tmc-managed": "true",
-					"testclustertag":                   "testclustertagvalue",
-					"testingtag":                       "testingtagvalue",
-					"testsametag":                      "testsametagval",
+					"testtag":                          "testval",
+					"newtesttag":                       "newtestval",
 				},
 				KubernetesNetworkConfig: &eksmodel.VmwareTanzuManageV1alpha1EksclusterKubernetesNetworkConfig{
 					ServiceCidr: "10.100.0.0/16",
@@ -470,10 +469,9 @@ func getMockEksClusterSpec(accountID string, templateID string) (eksmodel.Vmware
 					CapacityType: "ON_DEMAND",
 					RootDiskSize: 40,
 					Tags: map[string]string{
-						"testnptag":      "testnptagvalue",
-						"testingtag":     "testingnptagvalue",
-						"testsametag":    "testsametagval",
-						"testclustertag": "testclustertagvalue",
+						"testnptag":  "testnptagvalue",
+						"newtesttag": "testingtagvalue",
+						"testtag":    "testval",
 					},
 					NodeLabels: map[string]string{
 						"testnplabelkey": "testnplabelvalue",
@@ -514,10 +512,9 @@ func getMockEksClusterSpec(accountID string, templateID string) (eksmodel.Vmware
 				Spec: &eksmodel.VmwareTanzuManageV1alpha1EksclusterNodepoolSpec{
 					RoleArn: workerRoleArn,
 					Tags: map[string]string{
-						"testnptag":      "testnptagvalue",
-						"testingtag":     "testingnptagvalue",
-						"testsametag":    "testsametagval",
-						"testclustertag": "testclustertagvalue",
+						"testnptag":  "testnptagvalue",
+						"newtesttag": "testingtagvalue",
+						"testtag":    "testval",
 					},
 					NodeLabels: map[string]string{
 						"testnplabelkey": "testnplabelvalue",
diff --git a/internal/resources/testing/test_config.go b/internal/resources/testing/test_config.go
index 72bf77782..bc6cf3a0e 100644
--- a/internal/resources/testing/test_config.go
+++ b/internal/resources/testing/test_config.go
@@ -18,7 +18,7 @@ const testDefaultCreateEksClusterScript = `
 			config {
 				kubernetes_version 	= "{{.KubernetesVersion}}"
 				role_arn 			= "arn:aws:iam::{{.AWSAccountNumber}}:role/control-plane.{{.CloudFormationTemplateID}}.eks.tmc.cloud.vmware.com"
-				tags           = { "testclustertag" : "testclustertagvalue", "testingtag": "testingtagvalue", "testsametag":"testsametagval"}
+				tags           = { "testtag" : "testval", "newtesttag": "newtestval"}
 				kubernetes_network_config {
 					service_cidr = "10.100.0.0/16" // Forces new
 				}
@@ -66,7 +66,7 @@ const testDefaultCreateEksClusterScript = `
 						security_groups = ["sg-0a6768722e9716768"]
 					}
 					root_disk_size = 40 // Default: 20GiB, forces New
-					tags           = { "testnptag" : "testnptagvalue", "testingtag": "testingnptagvalue"}
+					tags           = { "testnptag" : "testnptagvalue", "newtesttag": "testingtagvalue"}
 					node_labels    = { "testnplabelkey" : "testnplabelvalue" }
 					subnet_ids = [ // Required, forces new
 						"subnet-0a184f6302af32a86",
@@ -97,7 +97,7 @@ const testDefaultCreateEksClusterScript = `
 				spec  {
 					// Refer to nodepool's schema
 					role_arn    = "arn:aws:iam::{{.AWSAccountNumber}}:role/worker.{{.CloudFormationTemplateID}}.eks.tmc.cloud.vmware.com"
-					tags        = { "testnptag" : "testnptagvalue", "testingtag": "testingnptagvalue"}
+					tags        = { "testnptag" : "testnptagvalue", "newtesttag": "testingtagvalue"}
 					node_labels = { "testnplabelkey" : "testnplabelvalue" }
 					launch_template {
 						name = "PLACE_HOLDER"