A senior police officer said that acting on specific information a raid was conducted by the STF at Khanapara area in the city and seized at least 119.5 grams of heroin.
The police team also seized three mobile phones and cash worth Rs 11,000 from the possession of the drug peddlers.
The peddlers were identified as Dhon Rabha, Ainul Sheikh, Ketep Boro and Sunabanu Begum. All of them are natives of Kamrup (Metro) district.
IANS