Explanation: Tamil Nadu, a state in southern India, is well-connected through its international airports, which play a crucial role in the state's economic and tourism development. The state currently has four international airports, each serving as a gateway for both domestic and international travelers.
1. **Chennai International Airport**: Located in the capital city of Chennai, this is the largest and busiest airport in Tamil Nadu. It handles a significant volume of both domestic and international flights, connecting Chennai to major cities in India and abroad.
2. **Coimbatore International Airport**: Situated in Coimbatore, this airport serves the western part of Tamil Nadu. It has seen significant growth in recent years and now offers international flights to several destinations.
3. **Trichy International Airport**: Located in Tiruchirappalli (Trichy), this airport has been upgraded to international status, providing connectivity to the region and supporting the local economy.
4. **Madurai International Airport**: Situated in Madurai, this airport has also been upgraded to international status, enhancing the connectivity of the southern part of Tamil Nadu.
These airports are not only important for transportation but also contribute significantly to the state's economy by facilitating trade, tourism, and business activities. The development and expansion of these airports reflect the state's efforts to improve its infrastructure and enhance its global connectivity.
It is important to note that the number of international airports can change over time due to upgrades, new constructions, or changes in airport designations. Therefore, staying updated with the latest information is crucial for accurate knowledge about the state's airport infrastructure.
Understanding the number and locations of international airports in Tamil Nadu is essential for students preparing for competitive exams, as it is a common topic in geography and general knowledge sections. The correct answer, which is 4, reflects the current status of airport infrastructure in Tamil Nadu.