Every subject links to its official NPTEL course page, where the full recorded lecture series is hosted. These are the verified, real NPTEL sources — not third-party re-uploads.
NOC: Structural Analysis I — IIT Kharagpur
NOC: Strength of Materials — IIT Kharagpur
Concrete Engineering and Technology — IIT Kanpur
NOC: Design of Steel Structures — IIT Kharagpur
NOC: Soil Mechanics / Geotechnical Engineering I — IIT Kharagpur
Fluid Mechanics — IIT Bombay
Surveying — IIT Kanpur
Introduction to Transportation Engineering — IIT Kharagpur
Environmental Air Pollution — IIT Kanpur
Building Materials and Construction — IIT Delhi