The correct answer is Gurgaon.
Gurgaon is a city in the northern Indian state of Haryana. It is located in the National Capital Region and is one of the most populous cities in India. Gurgaon is known for its automobile manufacturing industry, which is the largest in India. The city is home to many major automobile companies, including Maruti Suzuki, Honda, Toyota, and Hyundai.
Faridabad is another city in Haryana that is known for its automobile manufacturing industry. However, the industry in Faridabad is not as large as the one in Gurgaon. Faridabad is home to companies such as General Motors, Ford, and Nissan.
Sonipat is a city in Haryana that is known for its agriculture and manufacturing industries. The city is home to companies such as Hero MotoCorp, Honda Motorcycle and Scooter India, and Maruti Suzuki.
Panipat is a city in Haryana that is known for its history and culture. The city is home to many historical monuments, including the Panipat Fort and the Panipat Battlefield.