diff --git a/pkg/cosign/verify.go b/pkg/cosign/verify.go
index 7a4b2b1115c..141a07eea53 100644
--- a/pkg/cosign/verify.go
+++ b/pkg/cosign/verify.go
@@ -216,9 +216,17 @@ func verifyOCISignature(ctx context.Context, verifier signature.Verifier, sig pa
 	return verifier.VerifySignature(bytes.NewReader(signature), bytes.NewReader(payload), options.WithContext(ctx))
 }
 
-// ValidateAndUnpackCert creates a Verifier from a certificate. Veries that the certificate
-// chains up to a trusted root. Optionally verifies the subject and issuer of the certificate.
+// ValidateAndUnpackCert creates a Verifier from a certificate. Verifies that the
+// certificate chains up to a trusted root using intermediate certificate chain coming from CheckOpts.
+// Optionally verifies the subject and issuer of the certificate.
 func ValidateAndUnpackCert(cert *x509.Certificate, co *CheckOpts) (signature.Verifier, error) {
+	return ValidateAndUnpackCertWithIntermediates(cert, co, co.IntermediateCerts)
+}
+
+// ValidateAndUnpackCertWithIntermediates creates a Verifier from a certificate. Verifies that the
+// certificate chains up to a trusted root using intermediate cert passed as separate argument.
+// Optionally verifies the subject and issuer of the certificate.
+func ValidateAndUnpackCertWithIntermediates(cert *x509.Certificate, co *CheckOpts, intermediateCerts *x509.CertPool) (signature.Verifier, error) {
 	verifier, err := signature.LoadVerifier(cert.PublicKey, crypto.SHA256)
 	if err != nil {
 		return nil, fmt.Errorf("invalid certificate found on signature: %w", err)
@@ -239,7 +247,8 @@ func ValidateAndUnpackCert(cert *x509.Certificate, co *CheckOpts) (signature.Ver
 	}
 
 	// Now verify the cert, then the signature.
-	chains, err := TrustedCert(cert, co.RootCerts, co.IntermediateCerts)
+	chains, err := TrustedCert(cert, co.RootCerts, intermediateCerts)
+
 	if err != nil {
 		return nil, err
 	}
@@ -721,19 +730,21 @@ func verifyInternal(ctx context.Context, sig oci.Signature, h v1.Hash,
 			return false, err
 		}
 		// If there is no chain annotation present, we preserve the pools set in the CheckOpts.
-		if len(chain) > 0 {
-			if len(chain) == 1 {
-				co.IntermediateCerts = nil
-			} else if co.IntermediateCerts == nil {
+		var pool *x509.CertPool
+		if len(chain) > 1 {
+			if co.IntermediateCerts == nil {
 				// If the intermediate certs have not been loaded in by TUF
-				pool := x509.NewCertPool()
+				pool = x509.NewCertPool()
 				for _, cert := range chain[:len(chain)-1] {
 					pool.AddCert(cert)
 				}
-				co.IntermediateCerts = pool
 			}
 		}
-		verifier, err = ValidateAndUnpackCert(cert, co)
+		// In case pool is not set than set it from co.IntermediateCerts
+		if pool == nil {
+			pool = co.IntermediateCerts
+		}
+		verifier, err = ValidateAndUnpackCertWithIntermediates(cert, co, pool)
 		if err != nil {
 			return false, err
 		}
diff --git a/pkg/cosign/verify_test.go b/pkg/cosign/verify_test.go
index d887a09c206..578d349056c 100644
--- a/pkg/cosign/verify_test.go
+++ b/pkg/cosign/verify_test.go
@@ -1228,6 +1228,36 @@ func TestValidateAndUnpackCertWithIdentities(t *testing.T) {
 		}
 	}
 }
+
+func TestValidateAndUnpackCertWithIntermediatesSuccess(t *testing.T) {
+	subject := "email@email"
+	oidcIssuer := "https://accounts.google.com"
+
+	rootCert, rootKey, _ := test.GenerateRootCa()
+	subCert, subKey, _ := test.GenerateSubordinateCa(rootCert, rootKey)
+	leafCert, _, _ := test.GenerateLeafCert(subject, oidcIssuer, subCert, subKey)
+
+	rootPool := x509.NewCertPool()
+	rootPool.AddCert(rootCert)
+	subPool := x509.NewCertPool()
+	rootPool.AddCert(subCert)
+
+	co := &CheckOpts{
+		RootCerts:  rootPool,
+		IgnoreSCT:  true,
+		Identities: []Identity{{Subject: subject, Issuer: oidcIssuer}},
+	}
+
+	_, err := ValidateAndUnpackCertWithIntermediates(leafCert, co, subPool)
+	if err != nil {
+		t.Errorf("ValidateAndUnpackCertWithIntermediates expected no error, got err = %v", err)
+	}
+	err = CheckCertificatePolicy(leafCert, co)
+	if err != nil {
+		t.Errorf("CheckCertificatePolicy expected no error, got err = %v", err)
+	}
+}
+
 func TestCompareSigs(t *testing.T) {
 	// TODO(nsmith5): Add test cases for invalid signature, missing signature etc
 	tests := []struct {
diff --git a/test/e2e_test_attach.sh b/test/e2e_test_attach.sh
index 708986feff2..21937b7255b 100755
--- a/test/e2e_test_attach.sh
+++ b/test/e2e_test_attach.sh
@@ -14,6 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This test case test two scenarios
+# scenario 1: Attach a single signature with certificate and certificate chain to an artifact
+# and verify it using root certificate
+# scenario 2: Attaches second signature with diffrent certificate and certificate chain to same
+# artifact and verify it using both root certificates separately
+
 set -ex
 
 go build -o cosign ./cmd/cosign
@@ -25,6 +31,10 @@ cp ./test/testdata/test_attach_private_key $tmp/private_key
 cp ./test/testdata/test_attach_leafcert.pem $tmp/leafcert.pem
 cp ./test/testdata/test_attach_certchain.pem $tmp/certchain.pem
 cp ./test/testdata/test_attach_rootcert.pem $tmp/rootcert.pem
+cp ./test/testdata/test_attach_second_private_key $tmp/secondprivate_key
+cp ./test/testdata/test_attach_second_leafcert.pem $tmp/secondleafcert.pem
+cp ./test/testdata/test_attach_second_certchain.pem $tmp/secondcertchain.pem
+cp ./test/testdata/test_attach_second_rootcert.pem $tmp/secondrootcert.pem
 
 pushd $tmp
 
@@ -44,39 +54,48 @@ IMAGE_URI_DIGEST=$IMAGE_URI@$SRC_DIGEST
 ## Generate
 ./cosign generate $IMAGE_URI_DIGEST > payload.json
 
-## Sign with Leafcert Private Key
+## Scenario 1 Starts
+
+## Sign with First Leafcert Private Key
 openssl dgst -sha256 -sign ./private_key -out payload.sig payload.json
 cat payload.sig | base64 > payloadbase64.sig
 
-
 SIGNATURE=$(cat payloadbase64.sig | base64)
 echo "Signature: $SIGNATURE"
 
 PAYLOAD=$(cat payload.json)
 echo "Payload: $PAYLOAD"
 
-
-
 ## Attach Signature, payload, cert and cert-chain
 ./cosign attach signature --signature ./payloadbase64.sig --payload ./payload.json --cert ./leafcert.pem --cert-chain ./certchain.pem $IMAGE_URI_DIGEST
 
-
 ## confirm manifest conatins annotation for cert and cert chain
 crane manifest $(./cosign triangulate $IMAGE_URI_DIGEST) | grep -q "application/vnd.oci.image.config.v1+json"
 crane manifest $(./cosign triangulate $IMAGE_URI_DIGEST) | grep -q "dev.sigstore.cosign/certificate"
 crane manifest $(./cosign triangulate $IMAGE_URI_DIGEST) | grep -q "dev.sigstore.cosign/chain"
 
-## Verify Signature, payload, cert and cert-chain using SIGSTORE_ROOT_FILE
+## Verify Signature, payload, cert and cert-chain using Root certificate only
+./cosign verify $IMAGE_URI_DIGEST --insecure-ignore-sct --insecure-ignore-tlog --certificate-identity-regexp '.*' --certificate-oidc-issuer-regexp '.*' --cert-chain=./rootcert.pem
+
+## Scenario 2 Starts
+
+## Sign with Leafcert Private Key
+openssl dgst -sha256 -sign ./secondprivate_key -out secondpayload.sig payload.json
+cat secondpayload.sig | base64 > secondpayloadbase64.sig
+
+SIGNATURE2=$(cat secondpayloadbase64.sig | base64)
+echo "Second Signature: $SIGNATURE2"
+
+## Attach Second Signature, payload, cert and cert-chain
+./cosign attach signature --signature ./secondpayloadbase64.sig --payload ./payload.json --cert ./secondleafcert.pem --cert-chain ./secondcertchain.pem $IMAGE_URI_DIGEST
 
-export SIGSTORE_ROOT_FILE=./rootcert.pem
-./cosign verify $IMAGE_URI_DIGEST --insecure-ignore-sct --insecure-ignore-tlog --certificate-identity-regexp '.*' --certificate-oidc-issuer-regexp '.*'
+## Verify Signature, payload, cert and cert-chain using Root certificate only
+./cosign verify $IMAGE_URI_DIGEST --insecure-ignore-sct --insecure-ignore-tlog --certificate-identity-regexp '.*' --certificate-oidc-issuer-regexp '.*' --cert-chain=./rootcert.pem
 
+./cosign verify $IMAGE_URI_DIGEST --insecure-ignore-sct --insecure-ignore-tlog --certificate-identity-regexp '.*' --certificate-oidc-issuer-regexp '.*' --cert-chain=./secondrootcert.pem
 
 # clean up a bit
-for image in $IMAGE_URI_DIGEST
-do
-    (crane delete $(./cosign triangulate $IMAGE_URI_DIGEST)) || true
-done
+./cosign clean $IMAGE_URI_DIGEST --force=true
 crane delete $IMAGE_URI_DIGEST || true
 
 
diff --git a/test/testdata/README.md b/test/testdata/README.md
index 2c67e7d762c..248812e2aa0 100644
--- a/test/testdata/README.md
+++ b/test/testdata/README.md
@@ -106,3 +106,98 @@ $ cp certChain.crt test/testdata/test_attach_certchain.pem
 ```shell
 $ cp leafCA.crt test/testdata/test_attach_leafcert.pem
 ```
+
+16. Generate a private key for Second Root certificate
+
+```shell
+$ openssl genrsa -des3 -out secondrootCA.key 2048
+```
+17. Generate Second Root certificate
+
+```shell
+$ openssl req -x509 -new -nodes -key secondrootCA.key -sha256 -days 1825 -out secondrootCA.crt
+```
+   in Certificate generation set following values
+   C = IN, ST = DEL, L = DEL, O = exampleclient.com, OU = sigstore, CN = sigstore, emailAddress = foo@exampleclient.com
+
+18. Generate Private key for second Intermediate certificate
+
+```shell
+$ openssl genrsa -out secondintermediateCA.key 2048
+```
+19. Generate CSR for second Intermediate certificate
+
+```shell
+$ openssl req -new -key secondintermediateCA.key -out secondintermediateCA.csr
+```
+   in Certificate generation set following values
+   C = IN, ST = DEL, L = DEL, O = exampleclient.com, OU = sigstore-sub, CN = sigstore-sub, emailAddress = foo@exampleclient.com
+
+20. Create intermediate certificate config file by name "intermediateConfigFile" having content
+   	subjectKeyIdentifier = hash
+   	authorityKeyIdentifier = keyid:always,issuer
+   	basicConstraints = critical, CA:true, pathlen:0
+   	keyUsage = critical, digitalSignature, cRLSign, keyCertSign
+
+21. Create intermediate certificate
+
+```shell
+$ openssl x509 -req -in secondintermediateCA.csr -CA secondrootCA.crt -CAkey secondrootCA.key  -CAcreateserial -CAserial secondintermediateca.srl -out secondintermediateCA.crt -days 1825 -sha256 -extfile intermediateConfigFile
+```
+
+22. Create Private key for second leaf certificate
+
+```shell
+$ openssl genrsa -out secondleafCA.key 2048
+```
+
+23. Create CSR for second Leaf certificate
+
+```shell
+$ openssl req -new -key secondleafCA.key -out secondleafCA.csr
+```
+   in certificate generation set following values
+   C = IN, ST = DEL, L = DEL, O = exampleclient.com, OU = sigstore-leaf, CN = sigstore-leaf, emailAddress = foo@exampleclient.com
+
+24. Create Leaf certificate config file by name "leafConfigFile" having content
+        authorityKeyIdentifier=keyid,issuer
+        basicConstraints=CA:FALSE
+        keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
+        extendedKeyUsage=codeSigning
+        subjectAltName=email:copy
+
+25. Create Leaf certificate
+
+```shell
+$ openssl x509 -req -in secondleafCA.csr -CA secondintermediateCA.crt -CAkey secondintermediateCA.key  -CAcreateserial -CAserial secondleafca.srl -out secondleafCA.crt -days 1825 -sha256 -extfile leafConfigFile
+```
+
+26. Generate Certificate chain by concatinating second Intermediate certificate and second Root certificate
+
+```shell
+$ cat secondintermediateCA.crt secondrootCA.crt > secondcertChain.crt
+```
+
+27. copy private key of second Leaf certificate to test/testdata/test_attach_second_private_key
+
+```shell
+$ cp secondleafCA.key test/testdata/test_attach_second_private_key
+```
+
+28. copy root certificate to test/testdata/test_attach_second_rootcert.pem
+
+```shell
+$ cp secondrootCA.crt test/testdata/test_attach_second_rootcert.pem
+```
+
+29. copy second cert chain to test/testdata/test_attach_second_certchain.pem
+
+```shell
+$ cp secondcertChain.crt test/testdata/test_attach_second_certchain.pem
+```
+
+30. copy second Leaf certificate to test/testdata/test_attach_second_leafcert.pem
+
+```shell
+$ cp secondleafCA.crt test/testdata/test_attach_second_leafcert.pem
+```
diff --git a/test/testdata/test_attach_second_certchain.pem b/test/testdata/test_attach_second_certchain.pem
new file mode 100644
index 00000000000..3bf4e7dd5f0
--- /dev/null
+++ b/test/testdata/test_attach_second_certchain.pem
@@ -0,0 +1,49 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/test/testdata/test_attach_second_leafcert.pem b/test/testdata/test_attach_second_leafcert.pem
new file mode 100644
index 00000000000..f5ec7c98de8
--- /dev/null
+++ b/test/testdata/test_attach_second_leafcert.pem
@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/test/testdata/test_attach_second_private_key b/test/testdata/test_attach_second_private_key
new file mode 100644
index 00000000000..6fd0a614935
--- /dev/null
+++ b/test/testdata/test_attach_second_private_key
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/test/testdata/test_attach_second_rootcert.pem b/test/testdata/test_attach_second_rootcert.pem
new file mode 100644
index 00000000000..5afb1cd9bcb
--- /dev/null
+++ b/test/testdata/test_attach_second_rootcert.pem
@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----
+MIIEBTCCAu2gAwIBAgIUKv9OVy7IcTL6gvqPRcJZKIX0/ucwDQYJKoZIhvcNAQEL
+BQAwgZExCzAJBgNVBAYTAklOMQwwCgYDVQQIDANERUwxDDAKBgNVBAcMA0RFTDEa
+MBgGA1UECgwRZXhhbXBsZWNsaWVudC5jb20xETAPBgNVBAsMCHNpZ3N0b3JlMREw
+DwYDVQQDDAhzaWdzdG9yZTEkMCIGCSqGSIb3DQEJARYVZm9vQGV4YW1wbGVjbGll
+bnQuY29tMB4XDTI0MDExODEwMDkzM1oXDTI5MDExNjEwMDkzM1owgZExCzAJBgNV
+BAYTAklOMQwwCgYDVQQIDANERUwxDDAKBgNVBAcMA0RFTDEaMBgGA1UECgwRZXhh
+bXBsZWNsaWVudC5jb20xETAPBgNVBAsMCHNpZ3N0b3JlMREwDwYDVQQDDAhzaWdz
+dG9yZTEkMCIGCSqGSIb3DQEJARYVZm9vQGV4YW1wbGVjbGllbnQuY29tMIIBIjAN
+BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn9FAPZNON2O7k/fYqpI894aUf3ur
+LyJsEx6RhC7JYjumc4VLvDA9vSauXeM4fQ+YDaOs9K8FujDbAFGsrltXBBA/Czsd
+Ml/OMkkn5ZzDkTXqFXVer31M0fNLWMoAZ9q7c601ndRuTLDp8Ka3aR2Caj2W7VgO
+mGDUhgaVo31Omx4TM5ydnSLGewRfw/7nFveHBGKaRG+tVF1zLZwTESGG5/lV8Vq1
+cSctqK9kDwfNFzZKjpIsEDoT2L3ZosevtC3lY07KqvtKEOS9QWTZSRECO0Tzescn
+OP9Unb+miTTSl1tuu/gDULhYaCfDZu8bxIRaLt3tHV7falwbvUzO3wO8MQIDAQAB
+o1MwUTAdBgNVHQ4EFgQUum/ad6XhlDl83w56t8OzQJSl/nQwHwYDVR0jBBgwFoAU
+um/ad6XhlDl83w56t8OzQJSl/nQwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0B
+AQsFAAOCAQEAVPnYFFhYdAquC2g5k3mA+brhBuxFY+Rf9COE3u4lREJsXxjudsBR
+1dE+n9Zla2andkEyu9KQZlTb0WE7WfxDgKEtYCzRYhvtj9xFKCjzncH1w4Z2iN/R
+n8qmBWSFN5se0J/7uGsZ1YIcR8BsbkofmgnvBydUSXjNY7lbDOkY79gm/wykgdLe
+TNOnRz+z6ofEkduBsxwSyY1Ck9CrRNklcfEW6YY0Re4FzUpBIWgeWqmxhIqeOWFI
+eH7n4hqOrENTN7/GJvZH8PnjQj4Nx27cj+EW6xh5QMjYXkaxFFgGyMs/8AaresZZ
+geieV/J2gfe+zBuG5h5cJ+9kR26d/0InUA==
+-----END CERTIFICATE-----