Correct option is C
On January 12, 2012, India and Japan agreed to enhance their cooperation in the area of Road and Transport. The agreement was part of a broader effort to improve infrastructure and connectivity in India, with Japan providing technical and financial assistance for projects such as high-speed rail and expressways. One of the most notable projects under this cooperation is the Mumbai-Ahmedabad High-Speed Rail Corridor, often referred to as the Bullet Train project, which has been supported by Japan through financial assistance and technology transfer. This cooperation is part of India's efforts to modernize its infrastructure and enhance its transport networks to boost economic growth and development.