Explanation: To understand the concept of the train route from Kolkata to Chennai, it is essential to have a basic understanding of the geographical layout of Indian states. Kolkata is the capital city of West Bengal, located in the eastern part of India, while Chennai is the capital city of Tamil Nadu, also in the eastern part of India.
The train route from Kolkata to Chennai is a direct route that primarily follows the eastern coast of India. This route passes through the states of West Bengal, Jharkhand, Odisha, and Andhra Pradesh before reaching Tamil Nadu. The route does not cross through Gujarat and Punjab, which are located in the western and northern parts of India, respectively.
Gujarat is situated in the western part of India, bordering the Arabian Sea. It is not on the direct path from Kolkata to Chennai. Punjab, on the other hand, is located in the northern part of India, bordering Pakistan. It is also not on the direct path from Kolkata to Chennai.
The train route from Kolkata to Chennai is a significant railway route in India, connecting two major cities in the eastern part of the country. The route is well-established and is used by a large number of passengers for both business and leisure purposes. Understanding the geographical layout of Indian states and the railway routes is crucial for various competitive examinations, particularly those related to geography and general knowledge.
In conclusion, the correct answer is Option A: Gujarat, Punjab. These states are not crossed while traveling in a train from Kolkata to Chennai. The route passes through Odisha and Andhra Pradesh, which are located in the eastern part of India and are on the direct path from Kolkata to Chennai.