As CBI prepares its third set of charges in the telecom spectrum allocation scam, the agency today questioned Loop Telecom CEO Sandip Basu in connection with the ownership and shareholding pattern of the company. Basu was questioned on the shareholding patterns and its alleged financial dealings with Essar group.

CBI is investigating whether Loop acted as a front for Essar group in getting telecom licences in alleged violation of rules, an allegation refuted by Essar group.