Context: Prime Minister of India going to inaugurate the 'Maitri Setu' between India and Bangladesh -- a bridge built over the Feni river.
About Maitri Setu

• The bridge has been built over the Feni river which flows between Indian boundary in Tripura State and Bangladesh. 
• It is a 1.9 Km long bridge that joins Sabroom in India with Ramgarh in Bangladesh. 
• The construction was taken up by the National Highways and Infrastructure Development Corporation Ltd at a project cost of Rs. 133 Crores. 

Significance

• Maitri Setu symbolizes growing bilateral relations and friendly ties between India and Bangladesh. 
• With this, Tripura is set to become the Gateway of North East with access to Chittagong Port of Bangladesh, which is just 80 Kms from Sabroom.

About Feni River

• Feni River is a river in southeastern Bangladesh.
• It is a trans-boundary river with an ongoing dispute about water rights.
• The Feni River originates in South Tripura district and flows through Sabroom town and then enters Bangladesh.
• Muhuri River, also called Little Feni, from Noakhali District joins it near its mouth.
• The river is navigable by small boats as far as Ramgarh, about 80 kilometres (50 mi) upstream.