Police said the gun battle broke out between Imphal East and Kangpokpi districts after armed cadres of rival groups engaged in a fierce clash in Satang village.
The warring groups retreated after security forces rushed to the hilly area. The injured have been admitted to a hospital in Imphal.
One of the injured suffered a splinter injury on his face, while another was hit on the thigh, a police officer said.
Further details are awaited.
IANS