The Borivli police have booked a 25-year-old criminal who allegedly attacked an on-duty police constable while he was in the lock-up at Borivli police station. The accused was identified as Shankar Satpal Pival.

According to police sources, the accused Pival attacked Chavan when he was uncuffing the former. Pival allegedly slapped Chavan and smashed his head on the nets of the police station thereby injuring his nose.