Without naming the foreign firm, the CBI, in its application, said that during the course of probe in the case, "a need has been felt to take up the investigation with a foreign company".
It said the purpose would be to ascertain the facts related to net worth and also to verify the genuineness of the documents as submitted by the accused company in support of its claim.
"The Supreme Court vide its order dated May 8, 2013, while ensuring the secrecy of enquiries and investigations into the allocation of coal block, has directed CBI not to allow access of any kind to any person or authority including any minister of Central Cabinet, law officer, advocate of CBI, director of prosecution and officials/ officers of central government," CBI's plea said.
"In view of the above facts and circumstances it would be in the interest of justice as well as proper investigation that applicant may either be permitted to follow the prescribed procedure or any other suitable direction may be issued by this court," the plea said.