Ever wondered why two engineers with the same software on their laptop get such different salary slips? One is stuck modeling ducts all day. The other runs Navisworks clash detection and reports straight to the project manager. That second person usually takes home ₹1.5 to 2 LPA more, and it's not luck. Modeling is mostly data entry with a 3D twist. Clash detection is where that data starts saving real money. That's exactly why this one skill has become so valuable in Indian