Kolkata: The Special Task Force have arrested two persons from the city and recovered crude heroin weighing around 3.2 kg from the city.Acting on a tip-off, the STF officials on Saturday evening intercepted a private vehicle on Munsi Prem Chand Sarani under Hastings police station. During a search, the police found the heroin kept inside the car. These materials were kept concealed inside the door in such a manner that they would avoid the eyes of the people who would open the door from outside. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataThe police recovered about 3.208 kg (approx) of crude heroin and the accused were held for interrogation. After an interrogation the police arrested the duo — Dipak Roy (46) and Kumar Chetri (34). Roy is a resident of Anlong in Assam while Chetri hails from Tezpur area of the same district. According to the police, the approximate cost of narcotics may be between Rs 3 crore to Rs 12 crore. Police are trying to know if the accused are a part of any interstate narcotic smuggling racket. They are interrogating the duo to know the names of other accused, who might have been involved in the incident.