National Highways Authority of India is seeking Consultancy Services as Independent Engineer during Operation, Maintenance and Fee collection of 4-lane divided carriageway facility of Nelamangala – Tumkur section from Km. 29.5 to Km. 62.00 (32.5 Kms.) on (BOT) basis through Concessionaire and Six lane of Tumkur bypass from Km. 62.00 to Km. 75.00 (13 Kms.) through EPC O&M Contractor of NH-4 (New NH-48) in the state of Karnataka.