How to create 3d models for game and how to add them to game

well,it not a typical questions but involves in variety of software.In short u can create 3d models in Maya or 3dsMax. After creating a model in maya or 3dsmax it should be exported as .Fbx or .Obj(documentations says .Fbx is the better export).Once if u get the .Fbx model just drag and drop it to your project folder in unity. That's it you are Done!!! There are many settings that can be given to the fbx. Follow this link it helps you-link text