By JEEVAN RAVINDRAN MULLAITIVU, Sri Lanka (Reuters) – Under a blazing sun, a 44-year-old Tamil labourer tended his rented patch of peanut field in Sri Lanka, striking his spade against the earth in a daily struggle to beat inflation that has put many necessities out of reach. “I have more difficulties than a daily wage labourer,” said Singaram Soosaiyamutthu, who moves around on the palms of his hands after an air strike in 2009 took both his legs and injured his left arm. That was during the last stages of a 26-year civil war between the Sri Lankan government and a militant group, the Liberat…