An offence has been registered against four employees of a hospital in Navi Mumbai for allegedly assaulting a woman contract worker at the facility, police said on Monday.

The police on August 25 registered a case under sections 354 (assault or use of criminal force to woman with intent to outrage her modesty), 506 (criminal intimidation) and other relevant provisions of the Indian Penal Code for the incident that took place at a hospital in Nerul in March, an official said.