In an unprecedented fight for justice after the brutal rape of Nirbhaya, one woman always remained in the forefront: Asha Singh, the mother of that brave girl who lost her life after a prolonged ordeal. A decade has passed by since that night on December 16, 2012, and the world has moved on. But her mother has relentlessly continued her fight for justice for any rape victim girl or woman who faces harassment. Along with her husband Badrinarayan Singh, she has made it a mission of their lives to provide all possible help to every victim through the Nirbhaya Jyoti Trust. But, she feels a void in their lives. In an interview with Harimohan Mishra, she talks about her sorrows, the system and her mission. Edited excerpts: