Mumbai, Aug 24 (ANI): Promoting her recently released film ___Mardaani___, Bollywood actress Rani Mukerji inaugurated a self-defence course for girls of all municipal schools in Mumbai. Mukerji plays the role of a tough police officer out to bust a child-trafficking ring, in the flick. It was launched by the State Commission for Women of Maharashtra, where a digital copy of a book called ___Know Your Rights___ was also launched. Commissioner of Mumbai Police, Rakesh Maria and other dignitaries also attended the programme that was held in Kavale Math Municipal School at Malabar Hill area in the city. The training of the self-defence skills will be a part of the school syllabus. It will be taught to girls twice a week. After south Mumbai, the programme will be followed across the state.