Dr. Aggarwal is currently senior postdoctoral fellow at the MD Anderson Cancer Center, Texas, USA. She completed Ph.D. from AIIMS, New Delhi under supervision of Prof. S. N. Das. During PhD, wherein she successfully addressed various aspects of local immunopathology in oral squamous cell carcinoma (OSCC). She published dozens of articles and several book chapters. She is an editorial board member of several indexed reputed international journals.