Mrs Brigemohane was sworn in as an attorney in June 1992. She has since built her own private practice, working on diverse cases ranging from civil litigation, family matters to commercial law. As a registered pupil master, she is committed to training new talent into the profession. In addition, she was appointed as legal advisor for Mauritius Housing Ltd, Mauritius Telecom, Rose-Belle Sugar estate, SICOM and other high-profile companies and parastatal bodies from 1995 to 2000 and 2005 to 2014.
Mrs Brigemohane was a municipal councillor for Quatre-Bornes from 1995 to 1999 and Mayor in 1999/2000. Her accomplishments include her contribution as a chairperson on the Sugar Planters Mechanical pool from 2005 to 2011, her membership of the Medical Council from 2006 to 2014 , her appointment as Director of the State Investment Corporation from 2007 until 2014 and Chairperson of the Youth Rehabilitation Centre from 2005 to 2014.