Police have released former model and actor Pallab and four other hours after they were detained from an office room of the capital.
Kripa Sindhu Bala, officer-in-charge of Rampura police station, said five have been freed in the afternoon.
A case was filed against nine including three absconding persons under Arms Act.
Earlier police detained 11 persons including Pallab from an office room in the Kunjaban area behind Rampura TV Centre of the capital around 4:30am.
The law enforcers also recovered three pistols, 14 rounds of ammunition and two blades from the possession of the detainees.