1. Welfare state is a concept of government in which the state plays a vital role in protecting and promoting the economic and social well-being of its citizens.

2. Part IV of the Indian Constitution deals with the Directive Principles of State Policy.

3. The Directive Principles of State Policy constitute a comprehensive socio-economic program for a modern democratic state.

both statements are individually true, and statement II is the correct explanation of statement I. The Constitution of India is indeed a liberal Constitution, emphasizing democratic values, individual rights, and freedoms. Statement II clarifies that it achieves this liberal character by providing Fundamental Rights to individuals, which are essential elements of a liberal democratic framework, ensuring citizens' liberties and equal protection under the law.

1. Parliament has special powers under Article 246 to make laws with respect to any matter included in the Union List.

2. The Union List contains 100 subjects of national interest and is the largest of the three lists.

3. The Center has the right to make laws on the subjects related to this list.

4. Some important subjects included in this list are Defence, Railways, Post and Telegraph, Income Tax, Custom Duty, etc.

The Supreme Court of India can issue five types of writs under Article 32 of the Indian Constitution for the enforcement of fundamental rights. These writs are habeas corpus, mandamus, prohibition, quo warranto, and certiorari.