ITI Fitter is a mechanically related branch, Where you get to learn about fitting.

Within this 2-year course, you are given such knowledge so that you can work with any kind of fitting.

Pipe fittings, Machine fitting, and structure fittings are the main working areas, on which a fitter works.                                                                                                                                       

In other words, we can say that a technician who puts together or installs Machinery, plants, machines, and other mechanical products are called as a fitter.

If you have also seen a plant being built or a machine installed, then you must have seen how a fitter works to connect each part with very accuracy.