ANSWER: Tripura and Bangladesh
Explanation:
- Feni river originates in state of Tripura and flows south towards Bangladesh.
- It has caused dispute between India and Bangladesh.
- India will construct a bridge over Feni river in southern Tripura to get access to the Chittagong international sea port.
- The proposed bridge would connect Sabroom town of southern Tripura with Ramgarh town of southeastern Bangladesh.