New Delhi, Oct. 22 -- India is becoming one of Vietnam's fastest-growing and most promising tourism markets, delivering substantial revenue and opening a new chapter of cooperation as travel and aviation companies in both countries push ahead under their governments' broad strategic direction. Closer bilateral ties underpin the growth. Leaders upgraded relations to an Enhanced Comprehensive Strategic Partnership in May. Ministries, agencies and the Vietnamese Embassy in India are creating supportive conditions, while travel and aviation companies on both sides act as bridge builders. Vietnamese Ambassador to India Trinh Minh Manh made the point at a seminar co-hosted by the embassy and Vietravel in India on October 21. Manh said he is con...