Phool Chand Chauhan (50) was attacked with lathis by members of a rival group after which he succumbed to injuries at a local hospital, they said.
Three other members of his family were also injured in the incident, they said, adding that an FIR has been lodged against five people in the case.
Meanwhile, vehicular traffic on the Azamgarh-Varanasi route was disrupted for over two hours when locals staged a dharna demanding immediate arrest of the culprits.
