The minor victim, Uttam Kumar, was serving water to the guests during dinner when four drunk men came and started firing in the air, according to investigation.
Crime branch of Jammu and Kashmir Police on Wednesday filed a chargesheet against nine persons, including five former officials of the irrigation department.
Justice Pankaj Bhatia denied the bail plea submitted by Inamul Haq, who had an FIR filed against him at Uttar Pradesh's Saharanpur's Deoband police station under Sections 121-A and 153-A.
Naidu had blamed the state's Energy Minister Peddireddy Ramachandra Reddy for the violence and lashed out at the police for supporting the ruling party.
He added that there is no question of handing over the case to the SIT as a Deputy Superintendent of Police-level officer is conducting the investigation.