Dr. Nandakumar runs a busy practice at Kerala and sees over 150 patients a day in his clinic.
He is an exceptionally successful homoeopathic physician, an eminent faculty member and an efficient organizer.
He is Mentor and Guide to Post-Graduate Scholars in Homoeopathy at Hahnemann's College of Homoeopathy, London.
He has served as a faculty for many International conferences like 15th International Homoeopathic Congress at Srilanka, Dubai International Homoeopathic Conference, London Homoeopathic Conference 2010, etc. as well as National Homoeopathic Conferences like Kent memorial Lectures, New Delhi, National & State Scientific Seminars of Institution of Homoeopaths Kerala, 2014, etc.
He has contributed hundreds of articles and research papers in various leading Homoeopathic Journals and magazines.
He is a visiting Guide to Advance Certified Course in Homoeopathy at Maharashtra University of Health Sciences (MUHS).
He was invited to serve as a faculty to train Govt. Medical Officers of Dept. of Homoeopathy, Govt. of Kerala in the year 2005-06.
He has hosted a full week Medi-Talk show on "Health & Homoeopathy" in the leading Visual Media - Asianet TV.
Dr. Nandakumar has visited over 40 countries across the globe on professional and personal projects.
He was the keynote speaker in a full week Medi-Talk show on "Health & Homoeopathy" in the leading Visual Media - Asianet TV.
Asianet Cable Vision has done a documentary on his life and vision about Homoeopathy.
He was the Homoeopathic Spokesperson for a Radio Program on 'Dialysis Assistance Program' hosted by HELP foundation and Radio Benziger.