Indian Cities and Places

Trivandrum (Thiruvananthapuram) is the capital of Kerala and houses the state legislature and government offices. Ernakulam and Cochin are major cities in Kerala but not the capital; Chennai is Tamil Nadu's capital.

Pearl City Express is a well-known train service in Tamil Nadu. Its route connects Chennai to Tuticorin in the southern part of the state. Pearl City is a nickname for Tuticorin, hence the trains name. None of the other options match this route.

Anantapuri Express is a train named after Anantapuri, which is another name for Trivandrum Thiruvananthapuram in Kerala. The train runs from Chennai to Trivandrum, connecting Tamil Nadu with Kerala. This is a classic interstate route.

Rajdhani Express is a premium train service that connects various state capitals to New Delhi. The Chennai Rajdhani runs from Chennai to H Nizamuddin which is in New Delhi. This is one of the most important Rajdhani routes in South India. Options A, B, and C list destinations that are not served by the Rajdhani from Chennai.

Saptagiri Express is named after the Saptagiri hills which are near Tirupathi. The train runs from Chennai to Tirupathi, primarily serving pilgrims visiting the famous Tirumala Venkateswara Temple. Tirupathi is a major pilgrimage center in Andhra Pradesh. The other options are completely different routes.

Coromandel Express runs along the Coromandel Coast of the Bay of Bengal. It connects Chennai to Howrah which is near Kolkata in West Bengal. This is one of the most important train routes on the East Coast of India. The train gets its name from the Coromandel Coast region. Options A, C, and D are not the correct route for this train.

Tamil Nadu Express is a prestigious train that connects the Tamil Nadu capital Chennai to the national capital New Delhi. This train is named after the state of Tamil Nadu and runs on one of the busiest routes in the Indian railway network. Options A, B, and C list destinations within Tamil Nadu which are not the correct route for this train.

Cheran Express is named after the Chera dynasty which ruled parts of present day Kerala and Tamil Nadu. The train connects Chennai to Coimbatore, a major industrial city in Tamil Nadu. Coimbatore is often called the Manchester of South India due to its textile industry. This is an important intra state train route.

Mangalore Mail is a daily overnight train that connects Chennai to Mangalore, a major port city in Karnataka. The train runs along the west coast of South India. This is a popular train for passengers traveling between Tamil Nadu and Karnataka. Options A, C, and D have incorrect origins for this train.

Nellai Express is named after Nellai which is the short name for Tirunelveli, a city in Tamil Nadu. The train runs from Chennai to Tirunelveli in southern Tamil Nadu. Tirunelveli is known for its halwa and is an important cultural and economic center in the region. Options A and B are incorrect destinations for this train.

Sector 5 in Salt Lake, Kolkata falls under the North 24 Parganas district (24 Pgs North). Salt Lake (Bidhannagar) is part of this district, not Kolkata district proper. The administrative division is important for official purposes.

TCS occupies several buildings in Kolkata including Eden, Victoria, and Srijan Park in Salt Lake Sector 5. DLF building is not a TCS property - it's owned by DLF Group and houses other companies. This makes DLF the 'odd one out' among TCS facilities.

Chennai is indeed the capital city of Tamil Nadu. It became the capital when Madras State was renamed Tamil Nadu in 1969. Chennai is a major metropolitan city and serves as the political, economic, and cultural center of the state.

The capital of Kerala is Thiruvananthapuram (commonly shortened to Trivandrum). Note that the option is misspelled as 'trivandram' rather than 'trivandrum', but it's clearly intended to be the correct answer. Kochi (Cochin) is a major city but not the capital.