Former telecom minister Dayanidhi Maran is being questioned by the CBI in a case registered against him for using over 300 high data capacity BSNL telecom lines at his Boat House residence in Chennai, an official said.
Central Bureau of Investigation (CBI) sources said Maran reached at the agency's headquarters around 11.00 a.m.
"Maran reached the CBI headquarters around 11.00 a.m. His questioning is on," a CBI official said.