Which Indian state shares longest international border?
Jammu and Kashmir
The correct option is C West Bengal
Bangladesh and India share a 4,096-kilometer (2,545-mile) long international border, the fifth-longest land border in the world. West Bengal with 2,217 km share longest border with Bangladesh. Other states include 262 km in Assam, 856 km in Tripura, 180 km in Mizoram, 443 km in Meghalaya, and 2,217 km in West Bengal.