As part of the privacy and security enhancement, the Aadhaar number displayed on the UI should be masked to protect sensitive user data. Only the last four digits of the Aadhaar number should be visible.

Acceptance Criteria:

• The Aadhaar number should be displayed as XXXX-XXXX-1234 (with only the last four digits visible).
• The masking should apply to all places where the Aadhaar number is shown in the application 
• UI elements showing the Aadhaar number should remain responsive and maintain the same layout.