Also known as the “Manchester of South India”, this city is a major textile hub:

Salem
Coimbatore
Madurai
Tirunelveli

The correct answer is: b) Coimbatore

Coimbatore is a major city in the Indian state of Tamil Nadu. It is the second largest city in the state after Chennai and is known as the “Manchester of South India” due to its textile industry. The city is also a major center for engineering, manufacturing, and education.

Salem is a city in the Indian state of Tamil Nadu. It is the third largest city in the state after Chennai and Coimbatore. Salem is known for its steel industry and is also a major center for education and healthcare.

Madurai is a city in the Indian state of Tamil Nadu. It is the fourth largest city in the state after Chennai, Coimbatore, and Salem. Madurai is known for its temples and is also a major center for education and culture.

Tirunelveli is a city in the Indian state of Tamil Nadu. It is the fifth largest city in the state after Chennai, Coimbatore, Salem, and Madurai. Tirunelveli is known for its temples and is also a major center for education and culture.

Coimbatore is the correct answer because it is the only city among the options that is known as the “Manchester of South India”. The city is a major textile hub and is also a major center for engineering, manufacturing, and education.