The correct answer is Surat. Surat in Gujarat has become the first city in the country to get a processed steel slag (industrial waste) road. The first 6-lane highway made by using Steel Slag was inaugurated in Surat by Union Steel Minister Ram Chandra Prasad Singh on 15 June 2022. The road has been jointly made by the Central Road Research Institute & ArcelorMittal Nippon Steel India. Additional Information?Gujarat is a state along the western coast of India. Its coastline of about 1,600 km is the longest in the country, most of which lies on the Kathiawar peninsula. Gujarat:Capital: GandhinagarFormation: 1 May 1960Governor: Acharya DevvratChief minister: Bhupendrabhai Patel