She is married to K. Madhukumar, former Controller of Examinations, University of Kerala, and has a daughter named Hyma.
[7] Director, KEPA Australia In 2006, Sandhya was involved in the investigation into allegations of sexual assault made against former Kerala Public Works minister P. J.
[6][9][10] She has also served as a member of the Micro Mission 02 project of the Bureau of Police Research & Development[11] and in 2016, she led the investigation team in the Jisha murder case.
[citation needed] Sandhya has published many books of literature and several research papers in police science.
She also conceptualised a website, Kerala Police History[16] Children's Literature Collection of poems Novels Articles * ""Dr. B.Sandhya IPS Interview"-Kma news".