A delegation of executives from Rio Tinto Diamonds, led by managing director Bruce Cox is visiting India, to plan for future diamond supplies and distribution. The delegation visited diamond cutting and polishing centres in Surat and Bhavnagar, and interacted with leading manufacturers who cut and polish diamonds from its Argyle diamond mine. %% India is known to be the major cutting and polishing centre for Argyle mine diamonds. Discussions centred around the future plans for the Argyle mine, shift to underground mining and the longer life achieved for the mine until 2018 at the minimum. The delegation believes that the interactions will help it better the distribution through the pipeline and culminate into growth.