The correct option is D Central government
Construction
and maintenance of national highways is looked after by Central government. National
Highways Authority of India was constituted by an Act. of Parliament, namely
the National Highways Authority of India Act , 1988, to develop, maintain and
manage the National Highways vested or entrusted to it by the Central
Government. The Authority is mandated to develop, maintain and manage the
national highways and any other highways vested in, or entrusted to, it by the
Government.