Idlis, perhaps South India's most famous culinary export, are considered healthier than dosas and supposedly help one lose weight. But now, it's the modest Idli, steamed minus any oil, which is losing weight. The size and weight of idlis served at Bangalore's restaurants and cafeterias are down by a few centimetres and grams respectively. It's the same case with the idli's inseparable companion, the crispy vada.