A Swiss court has sentenced four members of the UK's richest family to prison sentences ranging from four to four-and-a-half years.Prakash and Kamal Hinduja as well as son Ajay and his wife Namrata were found guilty of exploitation - usury in the Swiss penal code - and illegal employment.Also, in the programme, Rahul Tandon finds out how Canadian farmers working during extreme heat and a deal looks finally sealed to sell Queen's back catalogue...the most valuable in rock.