31-year-old Alam, also the son of Tewra village head Nafisa, was shot dead last evening by a group of persons.
In the FIR filed, the deceased's family has alleged Mairajuddin and six of his accomplices were behind Alam's murder. They all are absconding and a search is on for them, police said.
Security has been tightened in the village with extra personnel deployed as tension prevailed in the area following the murder.
Several BSP activists, including party MP Kadir Rana, have demanded immediate arrest of the accused.