A senior Maoist leader was arrested from the city's Charumarket area, police said.
Jaita Das, a senior city committee member of CPI Maoist was arrested by the police following a tip off, police said.
Several documents were seized from his possession, they said.
According to unofficial sources, Das had participated in a rally against the Kamduni rape and murder case in Kamduni last month.
He is an alumni of Kolkata's Jadavpur university.