Four members of the UK’s richest family have received prison sentences for exploiting staff brought in from India to work at their Geneva villa. Prakash and Kamal Hinduja, as well as their son Ajay and his wife Namrata, were found guilty of exploitation and illegal employment by a Swiss court and handed sentences ranging from four to four-and-a-half years. They were acquitted on the more serious charge of human trafficking. Lawyers representing the defendants said they intend to appeal the ruling.Speaking outside the court, Robert Assael, the lawyer for the defendants, said: “I’m shocked….