The correct answer is: a) Ludhiana.
Ludhiana is a city in the Indian state of Punjab. It is the largest city in the state and the 12th largest city in India. Ludhiana is known as the “Manchester of India” because of its textile industry. The city is also a major center for dairy development.
Jalandhar is a city in the Indian state of Punjab. It is the second largest city in the state and the 17th largest city in India. Jalandhar is known as the “Gateway to Punjab” because it is located on the border between Punjab and Haryana. The city is also a major center for education and healthcare.
Amritsar is a city in the Indian state of Punjab. It is the third largest city in the state and the 19th largest city in India. Amritsar is known as the “Holy City” because it is home to the Golden Temple, one of the most sacred sites in Sikhism. The city is also a major center for tourism.
Patiala is a city in the Indian state of Punjab. It is the fourth largest city in the state and the 20th largest city in India. Patiala is known as the “City of Kings” because it was the capital of the Patiala State during the British Raj. The city is also a major center for education and healthcare.
Ludhiana is the correct answer because it is the only city in Punjab that is known as a major center for dairy development. The city has a long history of dairy farming and is home to a number of dairy cooperatives and processing plants. Ludhiana’s dairy industry is a major contributor to the city’s economy and employs a large number of people.