The central probe agency provisionally attached 15 flats and 17 office premises in Mumbai, a mall in Kolkata, a four-acre farm house in Alibaug and 231 acres of land at locations like Nashik, Nagpur, Panvel in Maharashtra and Villupuram in Tamil Nadu, in February 2018 under the Prevention of Money Laundering Act (PMLA) in connection with the about US$2 billion alleged fraud at a Mumbai-based branch of the Punjab National Bank (PNB).