Answer : 3. "Myanmar"
Explanation :

The Kaladan Multi-Modal Transit Transport Project (KMTTP) aims to connect the port of Kolkata to the Sittwe port in Rakhine state of Myanmar via sea. In this project, Kolkata is being connected to Myanmar through road, river, port etc. and then to the north-eastern states of India through Kaladan River of Myanmar. The project is worth US$484 million and aims to enhance regional trade. India and Myanmar have jointly inaugurated the Sittwe Port, a part of the Kaladan Multi-Modal Transit Transport Project.