India on Thursday ruled out any formal talks with Pakistan unless New Delhi’s neighbour stops supporting “cross-border terrorism”, as a new government comes to power in Islamabad. The recent appointment of Shehbaz Sharif as Pakistan’s new prime minister has raised hopes of an easing of tensions between the nuclear-armed rivals, who have fought a series of wars since independence from Britain in 1947. But India said there would be no negotiations unless Islamabad ensures an atmosphere of peace and diplomacy. “Our stand is clear. We want an environment free of terror,” Arindam Bagchi, India’s fo…