Explanation:

Here’s the matching and explanation:

List-I with List-II:

- (a) Abuse of discretion — 2. Lack of Power

- Courts review administrative discretion if exercised beyond given power.

- (b) Equality before law — 1. Rule of Law

- Rule of Law means everyone is equal before law, a fundamental right.

- (c) Delegated legislation — 4. Ultra-vires

- Delegated legislation is ultra-vires when it exceeds the authority given by law.

- (d) Separation of powers — 3. Check and Balance

- Separation of powers establishes checks and balances between the legislature, executive, and judiciary.

Correct option is:

Option: 2 1 4 3

Explanation of incorrect options:

- Other options do not align the principles with their correct explanations.

- Option 1: Correctly matches all columns:

- a-2, b-1, c-4, d-3

- This is why option 1 is correct.