The National Highway Authority of India (NHAI) was operationalised in which year?

Correct option is D

The correct answer is (d) 1995.
 The National Highway Authority of India (NHAI) was operationalised in 1995. It was established through the National Highways Authority of India Act, 1988, but became operational in February 1995.
 NHAI is responsible for the development, maintenance, and management of the national highways network in India.
Information Booster:
 NHAI Act, 1988: This act provided for the establishment of NHAI.
 Primary Responsibilities: The authority oversees the construction, upgrading, and management of national highways, aiming to ensure the smooth flow of traffic and the development of road infrastructure across the country.