Key Features:

1. Real-time DA calculation as per 7th Pay Commission

2. Mobile-responsive design

3. Professional Indian currency formatting

4. Clean modern UI with gradient background

5. Automatic salary calculation

6. Current DA rate pre-filled (50% as of Oct 2024)

7. Interactive number inputs with validation

8. Professional result display

How to Use:

1. Enter Basic Pay (7th CPC)

2. Modify DA Rate if needed (current 50% pre-filled)

3. Results update automatically