New Delhi: Delhi Minister Rakhi Birla's car was attacked today evening by some unidentified persons in Mangolpuri area here but she escaped unharmed.br br The Women and Child Development minister, who is the youngest member of Arvind Kejriwal's cabinet, had gone to a temple in northwest Delhi and was sitting in the front seat of her WagonR car when some people threw a heavy object at the vehicle damaging the windscreen.