Prof Shaji is a professor of Psychiatry and an academic researcher. Dean of Dean (Research), Kerala University of Health Sciences, Prof Shaji's areas of Interest includes public mental health & geriatric mental health. He has published more than 40 papers in peer reviewed /indexed journals. He has also contributed chapters in many books. Associate Editor of Indian Journal of Psychiatry & Indian Journal of Psychological Medicine, he has received awards including the Dr. Vimla Virmani Award 2009 from the National Academy of Medical Sciences for research work in dementia care. He received the Prof.Surindar Mohan Marwah Award from the Indian Council of Medical Research(ICMR) in 2011 for the contributions in the field of geriatrics and the ICMR International Fellowship for Senior Bio-medical Scientists for the year 2011-2012 .