Hounslow-based Kaseepathi Koka, 42, was convicted in the Isleworth Crown Court for setting up bogus companies to allow immigrants to extend their visas, Home Office officials said.
His 39-year-old wife, Ajitha, who admitted to conspiring with him, and a third defendant, Tirunagaraja Prasad Thalla, 32, who admitted to a money laundering offence, were both jailed for nine months.
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