The incident occurred when the accused, Sundaram, was being brought from the Salem central prison to Mettur Judicial Magistrate court last evening, Sub-Inspector Hariharan said.
Three police personnel including two women constables were escorting him and when he did not get the mobile phone, he allegedly hit a woman constable in the stomach and head.
He has been arrested under IPC sections including 332 (voluntarily causing hurt to deter public servant from his duty), police said.