A very renowned paediatric oncologist and haematologist of India. She is MD in Paediatrics from AIIMS and holds MRCPCH in Paediatrics pursued in UK. She is currently associated with Indraprastha Apollo Hospital, Sarita Vihar, New Delhi as Senior Consultant- Paediatric Oncology and Haematology (Oct 2003 till date) .
She was working as a consultant at Llandough Hospital, Cardiff, which was the Regional centre for Paediatric Oncology in that region. She worked in Bone Marrow Transplant (Royal Hospital For Sick Children) transplant unit, which was the busiest bone marrow transplant unit in UK at the time and was routinely involved in the management of both children and adults.
With an experience of more than 27 years in her field. Dr Mahajan has a number of publications to her credit.