The tempo driver and cleaner have been detained, a senior police official said.
The meat was apparently brought for sale from Panvel in neighbouring Raigad district, he said.
Acting on a tip-off, the police searched the tempo parked on a roadside in Shivaji Nagar and seized the consignment.
Samples have been sent to the Forensic Science Laboratory in Kalina here for examination, Deputy Commissioner of Police (zone-VI) Shahaji Umap said.
The seized meat has been handed over to the municipal authorities for disposal, he said.
Under the Maharashtra Animal Preservation (Amendment) Act, the slaughter of bulls and bullocks, besides cows is banned in the state.
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