National Highways Excellence Awards NHEA were instituted to felicitate which category ........

Explanation:

Ministry of Road Transport and Highways (MoRTH) instituted “National Highways Excellence Awards” (NHEA) in 2018, to incentivize stakeholders in the highway construction and maintenance process.
It aims to recognize and award companies for the best-performing road assets and toll plazas across the country. Performance during construction, operations and maintenance, innovation, greenery, tolling stages of highway development will be rated along with the field of road safety.