Statement 1 is Correct: The Kaladan Multi-Modal Transit Transport Project connects the eastern Indian seaport of Kolkata with the Sittwe seaport in Myanmar by sea, and then links Sittwe to Mizoram in India via river and road. Since Myanmar is an ASEAN member, this project is a key component of India's connectivity with the ASEAN region under its Act East Policy. Statement 2 is Correct: The India-Myanmar-Thailand (IMT) Trilateral Highway connects Moreh in India with Mae Sot in Thailand via Myanmar. Both Myanmar and Thailand are ASEAN members, making this highway a flagship project for India-ASEAN physical connectivity. Statement 3 is Incorrect: The Agartala-Akhaura Rail Line is an international railway project connecting Agartala in Tripura, India, with Akhaura in Bangladesh. Since Bangladesh is not a member of ASEAN (it is a member of SAARC and BIMSTEC), this project falls under India-Bangladesh bilateral cooperation, not India-ASEAN cooperation. Therefore, the correct option is A.