The accused were identified as Tilak (19), a resident of Khora colony in Ghaziabad and Vikas Dubey (19), an e-rickshaw driver, police said, adding that both are drug addicts.
Hiren Nath, ADGP (SB), Assam Police, said, "Police arrested three persons of PFI and CFI including PFI's Assam unit secretary and CFI's national treasurer from Barpeta district."
Police arrested a man on Friday for killing his nephew suspecting him of having illicit relations with his wife from the Palghar district in Maharashtra, said police.
"The accused identified as Palash Chandel, who was absconding for around two months, was arrested on April 6 and later released on bail," Additional Superintendent of Police (ASP) Anil Kumar Soni said.
The arrest took place in the early hours today in Amgad Tihara area when a joint team of police personnel from Rath Kotawali and a Special Operations Group (SOG) Hamirpur was patrolling the area.
The 16-year-old studying at Municipal School in Kandivali East had repeatedly told her family about the molestation after which her parents registered a complaint at Mumbai's Samta Nagar Police station.