She participated in the 2011 Indian anti-corruption movement led by social activist Anna Hazare and later, served as the chairperson of the Delhi Commission for Women (DCW) from 2015 to 2024.

[2] She went to Amity International School and received a bachelor's degree in Information Technology from the JSS Academy of Technical Education.

[1] On 23 January 2012, she married Naveen Jaihind, whom she had met during the early days of the 2011 Indian anti-corruption movement led by Anna Hazare.

[12] She advocated for the passage of the Juvenile Justice (Care and Protection of Children) Act, 2015, which allowed minors from the ages of 16–18 years, to be tried as adults in case of heinous crimes.

[17] In 2017, following the commission's request, Delhi police officers were asked to wear body cameras while on duty, to improve their accountability and reduce chances of misconduct.

[19][20][21] In 2019, she went on another hunger strike demanding expedited justice to rape survivors, correct utilization of Nirbhaya Fund and additional police resources to handle crimes against women.

[25][26] In 2019, she led a 13-day march, covering crime-prone areas of Delhi to raise awareness about gender-based violence among local communities and register grievances.

[29] During the 2023–2024 Manipur violence, Maliwal visited the state in July 2023 to gather details and sent her recommendations to the President of India.

[43][44] The FIR included charges such as criminal intimidation, assault with intent to disrobe a woman, and an attempt to commit culpable homicide.

[49][50] During the court proceedings, Kumar was represented by senior advocate Abhishek Manu Singhvi, who argued in his defense against the charges.