New Delhi, Jan. 16 -- A 70-year-old woman, living alone in south Delhi's Greater Kailash, was defrauded of over Rs.7 crore in an elaborate cyber scam where con artists held her under "digital arrest" for more than eight days, police said on Thursday.

The victim, whose family runs a furniture business, received a call on January 5 from individuals posing as police officials, according to investigators familiar with the case.

They falsely claimed that a SIM card issued in her name was linked to money laundering. "The accused introduced themselves as police officials and told the woman that her name was used recently to issue a SIM card, which they said was used for money laundering and other illegal activities," said a police officer, who...