Raja Balmiki, a local BJP leader, was shot dead at Khatoli town on April 5, they said.
Babulal, Balmiki's father, complained that the accused were pressuring him and his family to withdraw the case against them or face dire consequences, an official said.
On the basis of the complaint, a case has been registered against the accused and four persons - Raju, Gaurav, Vipin and Danish - were yesterday arrested in this connection, the police said.
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