India's Cochin Shipyard has been raided in a probe into the alleged fraudulent sale of scrap metal.

The anti-corruption branch of the Criminal Bureau of Investigation (CBI) has registered a case against an assistant general manager and others at the yard.

They are alleged to have sold 300 loads of scrap without any weighing, delivery notes or gate passes.

Raids were carried out at offices and residences, the Times of India reported.