Ulhas Prabhakar Khaire and his wife Raksha Urs, the couple behind the Rs 1,100-crore Stock Guru scam, owned 18 PAN cards, 75 ATM cards and 131 cheque books under several fake identities, Joint Commissioner of Police (Economic Offences Wing) Sandeep Goel said.

Thirty-three-year-old Ulhas and his wife also got Aadhaar unique identity cards registered under a number of false names in order to cover their tracks after committing crimes.

The fraudster couple used high-tech spying gadgets, such as a mobile jammer, a wrist watch-cum-recorder, a digital video recorder and a clock with a hidden video recorder, to keep an eye on their targets as well as employees.

Making the revelations about the impostor husband-wife pair, Goel said, "We recovered a lot of items used to hide or fake identity including 20 pairs of contact lenses. They would commit perfect crimes and make sure to cover their tracks."

The pair is accused of duping as many as two lakh investors through their Stock Guru India firm, which promised money-spinning returns.

Ulhas gas established a number of firms without registration in Ratnagiri, including a company in Mumbai to produce Marathi movies.

The pair is accused of duping as many as two lakh investors through their Stock Guru India firm, which promised money-spinning returns.

The economic offences wing of crime branch had arrested the pair on November 10. On November 24, Khaire was remanded in police custody for ten more days, while his wife Urs was sent to judicial custody.