The question is asking you to match the list of Vitamin Deficiency Diseases given in List-I with their corresponding letters given in List-II, and then select the correct option code.

In List-I, we have the following Vitamin Deficiency Diseases:

A. B1 (Thiamine) - This vitamin deficiency disease is called Beriberi.

B. A (Vitamin A) - This vitamin deficiency disease is Night blindness.

C. D (Vitamin D) - This vitamin deficiency disease is Rickets.

D. C (Vitamin C) - This vitamin deficiency disease is Scurvy.

In List-II, we have the following codes:

1 corresponds to Night blindness.

2 corresponds to Beriberi.

3 corresponds to Scurvy.

4 corresponds to Rickets.

To match the diseases with their corresponding codes, let`s analyze the options:

Option 1: A-3, B-2, C-1, D-4. This matches the correct codes to the corresponding diseases.

Option 2: A-2, B-4, C-1, D-3. This does not match the correct codes to the corresponding diseases.

Option 3: A-3, B-1, C-2, D-4. This does not