addressed Manager's review inputs

Author: AbhishekMallick-MS

articles/backup/index.yml

@@ -64,12 +64,18 @@ landingContent:
             url: azure-data-lake-storage-backup-overview.md
 
   # Card
-  - title: Back up core infrastructure datasources
+  - title: Back up Azure VMs
     linkLists:
       - linkListType: concept
         links:
-          - text: Azure Virtual Machine backup
+          - text: About Azure VM backup
             url: backup-azure-vms-introduction.md
+          - text: Support matrix for Azure VM backup
+            url: backup-support-matrix-iaas.md
+          - text: FAQ - Azure VM backup
+            url: backup-azure-vm-backup-faq.yml
+          - text: Manage Azure VM backups
+            url: backup-azure-manage-vms.md
 
   # Card
   - title: Back up storage datasources
@@ -114,17 +120,51 @@ landingContent:
           - text: Offline backup
             url: offline-backup-overview.md
 
-  # Card
-  - title: Backup and disaster recovery datasources
+ # Card
+  - title: Back up with Microsoft Azure Recovery Services (MARS) agent
+    linkLists:
+      - linkListType: concept
+        links:
+          - text: Back up Windows machines with the Azure Backup MARS agent
+            url: backup-windows-with-mars-agent.md
+          - text: Manage MARS Agent backups by using the Azure Backup service
+            url: backup-azure-manage-mars.md
+          - text: Cross Region Restore support for MARS agent (preview)
+            url: about-restore-microsoft-azure-recovery-services.md#cross-region-restore-for-mars
+          - text: MARS agent support matrix
+            url: backup-support-matrix-mars-agent.md
+          - text: FAQ - MARS agent
+            url: backup-azure-file-folder-backup-faq.yml 
+      - linkListType: how-to-guide
+        links:
+          - text: Offline backup for MARS with customer-owned disks
+            url: backup-azure-backup-import-export.md              
+
+# Card
+  - title: Back up with Microsoft Azure Backup Server (MABS) and DPM
     linkLists:
       - linkListType: concept
         links:
-          - text: Microsoft Azure Backup Server (MABS)
-            url: backup-mabs-whats-new-mabs.md
-          - text: Microsoft Azure Recovery Services (MARS) agent
-            url: backup-azure-about-mars.md
-          - text: Data Protection Manager (DPM)
-            url: backup-azure-dpm-introduction.md
+          - text: MABS protection matrix
+            url: backup-mabs-protection-matrix.md
+          - text: MABS / DPM support matrix
+            url: backup-support-matrix-mabs-dpm.md
+          - text: FAQ - MABS and DPM
+            url: backup-azure-dpm-azure-server-faq.yml
+          - text: Install and upgrade MABS
+            url: backup-azure-microsoft-azure-backup.md
+      - linkListType: how-to-guide
+        links:
+          - text: Offline backup using Azure Data Box
+            url: offline-backup-azure-data-box.md
+          - text: Manage backup to Azure for DPM servers via PowerShell
+            url: backup-dpm-automation.md  
+          - text: Offline backup using Azure Data Box for DPM and MABS  
+            url: offline-backup-azure-data-box-dpm-mabs.md
+          - text: Manage telemetry settings in MABS
+            url: manage-telemetry.md
+          - text: Back up an Exchange server with DPM
+            url: backup-azure-backup-exchange-server.md
 
 # Card
   - title: Manage at scale