Correct Option: A

Started in 1952; the Integral Coach Factory (ICF) is located in Perambur, a suburb of Chennai. Its primary products are rail coaches. Most of the coaches manufactured are supplied to the Indian Railways, but it has also manufactured coaches for railway companies in other countries, including Thailand, Burma, Taiwan, Zambia, Philippines, Tanzania, Uganda, Vietnam, Nigeria, Mozambique and Bangladesh. Recently, ICF exported coaches to Angola.