Simon Rimmer investigates how important big brand restaurants have become to shopping centres as they compete against online shopping. For one Yorkshire shopping centre catering for under-30s, that means offering a different dining experience every eight weeks. Meanwhile, a new wave of Indian restaurants are offering a genuine taste of the regions of India, rather than the familiar dishes adapted for UK tastes. Sophie Morgan gets some diehard British curry fans to give their verdict. Reporter Seyi Rhodes tests how far we're prepared to go for more authenticity in our global dishes. And how clean is your restaurant? We reveal how some branches of high street chains are failing on hygiene. Should the display of hygiene ratings become mandatory?