A complaint regarding illegal and unauthorised interception, tapping and recording of phone calls of several persons during 2001-2005 has been received, Minister of State for Home Affairs Hansraj Gangaram Ahir said in a written reply to Lok Sabha.
"The government has ordered a preliminary inquiry by the Delhi Police," he said.
The lawful interception or phone tapping can be done by law enforcement agencies authorised by the central and state governments in the interest of the country. The Department of Telecom has also issued standard operating procedures for lawful interception of the telecom service providers.
Unlawful interception of phone calls is an offence punishable with imprisonment for a term which may extend upto three years or fine or both, he said.