National Highway 81 (India, old numbering)
# National Highway 81 (India, old numbering)

National Highway 81 (NH 81) is a National Highway in Eastern Indian states of Bihar and West Bengal. NH 81 links Kora in Bihar to Malda in West Bengal. Of its 100 km (62 mi) length, NH 81 runs for 45 km (28 mi) in Bihar and 55 km (34 mi) in West Bengal.

