New Delhi: At least 31 companies are under the scanner of the Enforcement Directorate (ED) which informed the Supreme Court about multi-crore foreign transactions, relating to the 2G spectrum scam, been traced to around six countries.

The ED placed its latest report of its investigation in the scam in a sealed envelope before a bench comprising justices G S Singhvi and A K Ganguly in which the agency has mentioned that it is seeking the help of foreign authorities in tracking the source of money.

Senior Advocate K K Venugopal, appearing for ED, said that that Letters Rogatory have been sent to Singapore, Cyprus, Jersey and Virgin Islands in connection with the 2G spectrum scam. Similar communications were being sent to two more countries.

He said that 31 companies have so far been summoned and statements of 26 companies have been recorded.