Engineers and employees of the Brihanmumbai Municipal Corporation (BMC) have threatened to go on an indefinite protest if the civic body doesn’t suspend a deputy municipal commissioner who allegedly slapped a subordinate officer last week.

(Right to left) Sainath Rajadhyaksha, general secretary, Brihanmumbai Municipal Engineers Union, Mahabal Shetty, general secretary, Municipal Mazdoor Union, and Sukhdev Kashid, secretary, Municipal Engineers Association, with other engineers outside the commissioner’s office yesterday