Kamal Kishore Shukla (60) and his wife Shashi Shukla (53) were arrested by a team of Economic Offences Wing (EOW) from Kolkata on Wednesday, police said.
The couple have allegedly duped about seven banks and institutions by obtaining loans against a property in Vaishali, Ghaziabad, they said.
They also sold the same property to at least two private parties by creating fraudulent title deeds, police said.
Five cases were registered against them in Delhi and Uttar Pradesh during 2006-2009.
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After criminal cases were registered, the couple went missing from their addresses in Delhi. First, they took shelter in Indore, Madhya Pradesh and thereafter moved to Kolkata.
Police told that even in Kolkata, the couple kept on changing their addresses and phone numbers to avoid arrest.
However, a special EOW team was following them through mobile numbers, bank records, loan applications in various banks on similar names, PAN numbers.