Indian authorities are set to begin a forensic investigation into the cause of a fire that broke out on Saturday at a Tata Electronics factory that makes components for Apple iPhones, a Tamil Nadu state official said on Sunday.

At least 10 people received medical treatment, with two hospitalised, after a major fire disrupted production at a key Tata Electronics plant in southern India which makes Apple iPhone components.

A forensic investigation is now underway into the fire, that broke out at Tata Electronics' Hosur factory in Tamil Nadu on Saturday. The factory, which makes components for Apple iPhones, was badly hit by the fire.