1. Ancient Town - (III) Madurai: Madurai is a historical city located in the Indian state of Tamil Nadu. It is often referred to as one of the oldest continuously inhabited cities in the world. Madurai has a rich and ancient history, with historical records dating back thousands of years. It has been a center of culture, trade, and learning for centuries, making it a classic example of an ancient town.

2. Medieval Town - (I) Nagpur: Nagpur, located in the central part of India, is an example of a town with a medieval history. It was an important city during various dynasties and empires, including the Mughal and Bhonsle periods. While Nagpur's history is not as ancient as some other Indian cities, it has seen significant development and urbanization during the medieval era.

3. Modern Town - (IV) Surat: Surat is an example of a modern town. It has experienced significant growth and urbanization in recent centuries, especially during the colonial and post-independence periods. Surat is known for its economic and industrial development, making it a classic example of a modern town.

4. After Independence Town - (II) Gandhinagar:  Gandhinagar is the capital of the Indian state of Gujarat and serves as an example of a town that was planned and developed after India gained independence from British rule in 1947. It is a relatively newer town that was established to serve as the capital city of the state. Gandhinagar was designed with modern urban planning principles and infrastructure.

So, the correct option is 3. (A)-(III), (B)-(I), (C)-(IV), (D)-(II).