She graduated from the Jawaharlal Nehru Medical College in 1973, winning many awards, including the President of India Medal.
She later trained in Pediatric Neurology at The Johns Hopkins Hospital and Kennedy Krieger Institute Baltimore, In 1983, Singhi joined the Post Graduate Institute of Medical Education and Research (PGIMER) in Chandigarh and began developing a pediatric neurology program.
[10] Without options to learn about pediatric neurology in India, Singhi traveled to Johns Hopkins Medical School and the Kennedy Krieger Institute, to the Royal Hospital for Children and Young People, and to the Royal Victoria Infirmary for additional work and training.
[12] Her primary areas of research have been neurological infectious disease, epilepsy, and neurodevelopmental disabilities.
[4] For four consecutive years beginning in 2020, she has been ranked among the top 2% of scientists in the world in an analysis by John Ioannidis at Stanford University.