The correct answer is option 2: A-4, B-1, C-3, D-2.

1. Option 1 (A-2, B-3, C-4, D-1): This option is incorrect. According to this option, Lord Clive is associated with the Doctrine of Lapse, which is incorrect.

2. Option 2 (A-4, B-1, C-3, D-2): This is the correct option. Lord Clive is associated with the Dual Government in Bengal, Lord Wellesley is associated with the Subsidiary Alliance, Lord Dalhousie is associated with the Doctrine of Lapse, and Lord Curzon is associated with the Indian Universities Act.

3. Option 3 (A-4, B-3, C-2, D-1): This option is incorrect. According to this option, Lord Dalhousie is associated with the Subsidiary Alliance, which is incorrect.

4. Option 4 (A-1, B-4, C-2, D-3): This option is incorrect. According to this option, Lord Clive is associated with the Dual Government in Bengal, which is incorrect.

Therefore, the correct answer