Acting on a tip off, detection branch of Vashi police laid a trap and nabbed the duo - Matin Nuruddin Khan and Badarul Khan - at 06.50 AM, a senior police official said.
A country made revolver was seized from their possession. A case under relevant sections of the Arms Act was registered, he said.
The duo was produced before a Magistrate, who remanded them in police custody till March 9, said the officer.