Missing Link Trust is a nonprofit organization that uses art and educational campaigns to raise awareness and prevent child sex trafficking.

The mission of the organization is "to combine art and technology in creating mass awareness amongst the public, through innovative ways, leading to prevention of sex trafficking.

Missing has worked with NGOs and organizations including the Rotary Teach Programme, Yes Foundation, Rotaractors, iPartner India, Women and Child Development Ministry, iVolunteer, Association for the Promotion of Social Change (APSA), Jamghat, Nedan Foundation, Paint Our World, Pardada Pardadi Educational Society (PPES), Prerana, RAHAT, STOP, Udayan Care, and Vatsalya.

Kejriwal began working in Kalighat with Rotary International as a volunteer in 2007 and wrote the book Kolkata Repossessing the City, which later developed into art exhibitions.

[10] The organization launched a website, Savemissinggirls.com, with downloadable stencil kits featuring silhouettes of girls and an emergency government helpline number (1098) for children.

[3] The sculpture project expanded with support from Sangita Jindal and the JSW Foundation, and a smartphone app was created to provide viewers with more information and links to NGOs working to prevent child trafficking.

[20] In 2017, the organization conducted the "MISSING on a Journey" campaign, which included presentations at schools, street theatre, and public stencils in Ranchi, Lucknow, Agra, Jaipur, and New Delhi.

[11] The organization began a livelihood programme in rural Bengal for survivors of trafficking and vulnerable girls in high-trafficking areas, with mentoring for tailoring, computer programming, videography and in poultry farming.