Kalia Perumal, brother of former telecom minister A Raja, was on Wednesday questioned by the Central Bureau of Investigation in connection with the 2G spectrum case.
Continuing its probe in the 2G spectrum allocation scam, the Central Bureau of Investigation questioned two top telecom honchos besides close aides of former Telecom Minister A Raja, including his brother Kalia Perumal. The agency quizzed chief executive officer of Loop Telecom Sandip Basu and chairman of Sistema Shyam Teleservices Rajiv Mehrotra in connection with the scam, official sources said.