To determine the correct matches between List-I and List-II, let's understand the context and sources of each of these elements in the Indian Constitution:

1. Parliamentary Form of Government: This concept is derived from the United Kingdom Constitution since the UK is known for its parliamentary democracy where the executive is accountable to the parliament. Thus, (a) matches with (iii).
2. Directive Principles of State Policy: These principles were inspired by the Constitution of Ireland. Therefore, (b) matches with (iv).
3. Fundamental Rights: The idea of fundamental rights in the Indian Constitution is based on the U.S.A. Constitution. Hence, (c) matches with (i).
4. Emergency Provisions: These are largely influenced by the German Constitution, which provides for a strong central authority during emergencies. Therefore, (d) matches with (ii).

Based on the above analysis, the correct match is: (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii).

Let's verify the options:

• Option 1: (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii) - Incorrect match for (a) and (b).
• Option 2: (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii) - Correct match as per our analysis.
• Option 3: (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv) - Incorrect match for all.
• Option 4: (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii) - Incorrect match for all.

Thus, the correct answer is the second option: (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii).