New Delhi, Sept 04: After starting work on a trilateral highway project to link Thailand and Myanmar with India, Prime Minister Atal Bihari Vajpayee today said government is considering a rail-link to connect New Delhi and Hanoi. "Work has started on a trilateral highway project linking Thailand, Myanmar and India...Under the Mekong-Ganga cooperation, we are also looking at New Delhi to Hanoi rail link," Vajpayee said inaugurating the second India-Asean business summit here. Bureau Report