Railway Track Maintenance & Civil Works
- Track Renewal & Crossing Point Maintenance
- Ballast Supply & Steel Girder Fabrication
- Construction of Small Bridges, Culverts, Earthworks
- Supply of CMS Crossing Bodies, Rail Cutting Machines, etc.
Rolling Stock Works
- Supply of BG and MG Passenger Carriages.
- Carriage Rehabilitation & Overhauling at Saidpur, BR Workshop.
- Supply & Rehabilitation of Traction Motors, Generators, and Spare Parts of Locomotives and Passenger Carriages.
Signaling & Communication System
- Supply, Installation & Commissioning of CBI Color Light Signaling Systems.
Biswas Construction