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 – Bengal family worships Muslim girl as Goddess Durga in Kumari PujaThe 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.