Explanation:

National Highway 7 is renamed as National Highway 44 is the longest National Highway of India and one of the major road network between south and north India. The highway connects several important Indian cities such as Srinagar , Delhi, Hyderabad, Bangalore, Madurai and Kanyakumari.
 NH 44 covers the North-South Corridor of NHDP and it is officially listed as running over 3,745 km (2,327 mi) from Srinagar to Kanyakumari.
Some of the part of NH7 or NH44 is selected as North-South Corridor and Golden Quadrilateral highway projects.