Former Telecom Secretary J S Deepak (IAS:1982:UP), Ambassador/Permanent Representative of India to the World Trade Organization presented his letter of Credentials to Roberto Azevedo, Director-General, WTO on June 6, 2017. DG, WTO welcomed Ambassador J S Deepak and underlined India's important role in the WTO especially for the forthcoming WTO Ministerial Conference in Buenos Aires in December 2017.