Which of the following sectors were covered under the National Infrastructure Pipeline?

The National Infrastructure Pipeline (NIP) is a forward-looking programmatic approach towards infrastructure development in India, adopted by the Government of India in 2019. Transportation, housing, commercial development, telecom, and sanitation are the sectors covered under the National Infrastructure Pipeline. Hence, option A is correct. Its purpose is to facilitate infrastructure development and enhance the socio-economic growth of the country by bringing together various sectors of infrastructure development and ensuring that they operate in a coordinated and integrated manner.