[Class : 42] Engineering Services Including Construction Of Riverine Bridges On Deep Well Or Pile Foundations In Any Soil Strata With Large Span Superstructures (Steel Or Concrete), Structural Steel Fabrication, Actualization Of Turnkey Rail And Road Infrastructure Including The Construction Of Embankments, Rigid And Flexible Pavements, Flyovers, Interchanges And Railway Tracks, Irrigation Project Comprising Canal Construction, Desilting, Canal Lining, Large Industrial Works For Major Plants/Workshops Including Civil And Structural Works, Heavy Fabrication And Piling Included In Class 42.