Mumbai: Twelve properties of former city Congress chief Kripashankar Singh and his family were attached by the Mumbai police on Friday, three days after lodging an FIR against them for possessing assets disproportionate to their known sources of income.

The action by the Economic Offences Wing of the police came on a day the once powerful Mumbai Regional Congress Committee president failed to secure from the Supreme Court an interim stay or quashing of the Bombay High Court order for prosecuting him under the Prevention of Corruption Act and attachment of his properties.

Fanning out across the metropolis, the police attached 12 immovable properties of Singh after raiding premises owned by him and his family members.

"We have attached all the immovable and movable properties belonging to him and his family members in Mumbai," a senior officer involved in the investigations said.

The process of attaching the properties of Singh and his kin outside the city is underway, he said.

According to the High Court order, Singh and his family owned 12 properties in the city, one in Panvel in Thane district, another in Ratnagiri district of Maharashtra and one in his native Uttar Pradesh.

"Huge quantities of documents have also been recovered. Among the movable properties, the seizure includes some cars and other valuables," the officer said declining to divulge further details.

Only one of the properties in the metropolis is in the name of Singh, while the rest are owned by his wife, son, daughter and son-in-law, police sources said.

The Bombay High Court had on February 22 ordered the prosecution of Singh for "criminal misconduct" under the Prevention of Corruption Act and attachment of properties owned by him. His family members were alleged to have abetted the commission of offence.

During the raids that began at 8 AM in the morning, over 120 police personnel spread across the city and attached the properties which include a duplex flat with terrace in Jupiter building in Vile Parle, Tarang bungalow, two flats, two offices and a plot in suburban Bandra, a shop at Bhandup, and a shop and two flats including one he obtained through Chief Minister's quota in suburban Powai and a flat in Kurla, the sources said.