The correct answer is B. Jamalpur.
Bharat Wagon and Engineering Company Limited (BWECL) is a public sector undertaking under the Ministry of Railways, Government of India. It is headquartered in Jamalpur, Bihar. The company was founded in 1918 as the Jamalpur Railway Carriage and Wagon Works. It was renamed Bharat Wagon and Engineering Company Limited in 1952.
BWECL manufactures a wide range of railway wagons, including passenger coaches, freight wagons, and special purpose wagons. The company also manufactures railway locomotives and other railway equipment.
BWECL has a manufacturing plant in Jamalpur, Bihar. The plant has a capacity to manufacture 10,000 wagons per year. The company also has a research and development center in Jamalpur.
BWECL is a leading manufacturer of railway wagons in India. The company has a strong track record of quality and performance. BWECL is committed to providing its customers with the best possible products and services.
The other options are incorrect.
- Madhepura is a city in the Indian state of Bihar. It is the headquarters of Madhepura district.
- Harnaut is a town in the Indian state of Bihar. It is the headquarters of Harnaut district.
- Mokama is a town in the Indian state of Bihar. It is located on the banks of the Ganges River.