Guardian: It is the constant sensation of hunger that makes Kamla Devi so angry. She argues with shopkeepers in New Delhi over prices and quarrels with her husband, a casual labourer, over his wages – about 50 rupees (60p) a day. ‘When I go to the market and see how little I can get for my money, it makes me want to hit the shopkeepers and thrash the government,’ she says. A few months ago, Kamla – who is 42 – decided she and her husband could no longer afford to eat twice a day. The couple, …