Cross FIRs have been lodged by both the groups and police has arrested three persons -- Devkaran, Yogesh and Balvir -- in this connection.
The clash broke out when one Ravi Dutt opposed construction of rain water drain near his house, police said.
A heated argument was followed by exchange of blows and later firing broke out between the two groups, they said.
Dutta and Hari Om suffered bullet wounds and they were rushed to a Delhi hospital, police said.
A Provincial Armed Constabulary team has been deployed in the village to prevent any further incident, they said.