The Maitree Express (13109/13110) train, often pronounced Moitree Express, is the first modern day, fully air conditioned, international, express train service connecting Dhaka in Bangladesh to Kolkata in the Indian state of West Bengal. The Bengali name Maitree Express means Friendship Express when translated to English, denoting the significance of the train service to the friendly foreign relations between India and Bangladesh. Previously train services between the two countries existed before the partition of India by the British and the Maitree Express re-established this connection between Dhaka and Kolkata in 2008 after being closed for 43 years. In 2017 a second train service, the Bandhan Express, was inaugurated connecting Kolkata with the Bangladeshi city of Khulna, recreating the previous Barisal Express train route.

The Mitali Express (13131/13132) train is an international express rail service which connects the Indian city of Siliguri with the Bangladeshi capital Dhaka every week. Together with the Maitree Express train and the Bandhan Express train, the Mitali Express train is the third modern-day fully air conditioned passenger train link between the Indian state of West Bengal and Bangladesh. Both the prime ministers of the two neighbouring countries officially inaugurated the non-stop passenger train with ten compartments on the new 513 km route from Dhaka on 26 March 2021, the day Bangladesh celebrated the golden jubilee of its independence. The prime minister of India was in Dhaka to mark the auspicious occasion of fifty years of independence of Bangladesh. After 56 years of stoppage, this train route recreates the previous Siliguri route between India and Bangladesh. A valid visa and passport is required beforehand to purchase a ticket for the Mitali Express train. Tickets are available at Dhaka Kamalapur railway station in Dhaka, Bangladesh and at New Jalpaiguri railway station in Siliguri, India.