The correct answer is All India Services.
Except Option 2, others are Federal features. Hence, statement 2 is correct.
Key Points
Unitary features
- Union of States
- Power to form new States and to change existing boundaries
- Unequal Representation in the Legislature
- Single Constitution
- Single citizenship
- Emergency provisions
- All India Services
Additional Information
Federal features
- Distribution of Powers
- Supremacy of the Constitution
- Written Constitution
- Rigidity
- Independent Judiciary
- Bicameral Legislature
- Dual Government Polity
- Division of Power