Khanna has been actively advocating the cause of menstrual hygiene. She joined hands with Save the Children to promote the right to menstrual hygiene among children and slum communities. She was invited to speak at the University of Oxford in 2018. She was also invited to be a part of an eminent panel at the United Nations, New York and also appeared on BBC world Impact show to talk about menstrual hygiene and sanitation globally. In 2019, Khanna also launched Tweak, a bilingual digital media platform for women.