What is the work of NHAI, CPWD and SPWD? Explain.
Ans.
(1) NHAI: National Highway Authority of India laid and maintained the major roads of India like Golden Quadrilateral and Super Highways.
(2) CPWD: Central Public Works Department laid and maintained the primary road system of India like National Highways.
(3) SPWD: State Public Works Department laid and maintained the state highways of Indian states and Union Territories.