The ______________ is responsible for the construction and maintenance of national highways.

Correct option is B

• The Ministry of Road Transport and Highways (MoRTH) is the primary body in charge of national highways in India.
• The Central government allocates funds, plans, and executes the construction of new highways and the maintenance of existing ones.
• National highways are funded and managed by the Central Public Works Department (CPWD) and other related agencies.
• National highways are critical for inter-state connectivity and economic development, often receiving priority in government spending.
• The National Highways Authority of India (NHAI), a part of the Ministry of Road Transport and Highways, is specifically responsible for implementing projects and managing the highways.
  

Additional Information:

• State legislative assembly : The state legislative assemblies are responsible for state-level legislation and policies.
• Supreme court : The Supreme Court of India is the highest judicial authority.
• President of India : The President of India holds a ceremonial role.