External Affairs Minister Sushma Swaraj on Thursday held a meeting with Vietnamese Deputy Foreign Minister Le Hoai Trung."Deepening the warmth in #IndiaVitenam ties. EAM @Sushma Swaraj meets w/ Dy Foreign Minister Le Hoai Trung," external affairs affairs ministry spokesman Vikas Swarup tweeted.Le is here to attend the three-day Delhi Dialogue 2016 that got underway on Wednesday.The Delhi Dialogue is a premier annual track 1.5 diplomatic event to discuss the politico-security, economic and socio-cultural engagement between India and the 10-member Association of Southeast Asian Nations (Asean).