New Delhi, April 28 -- The India-European Union free trade talks have gathered pace with both partners starting sector-specific negotiations for the first time after narrowing chapter-wise differences, but their key disagreement over "sustainability" issues persists, which they hope to address in the forthcoming 11th round of talks starting next week in New Delhi, according to people aware of the matter. While the EU's insistence on making sustainability a "binding" part of the proposed FTA is still a contentious issue, the two sides have agreed to discuss the matter in their next meeting scheduled from May 5 in the Indian Capital, they said. P9...