– Starting his career as a tutor in 1985 at Fr Muller’s Homoeopathic Medical College, Mangalore, he rose to become a Professor and later Principal in 1995. He continued his services at Fr Muller Homoeopathic Medical College till he joined the post of Director, National institute of Homoeopathy, Kolkata (an autonomous institution under the department of AYUSH) Ministry of Health and Family Welfare, Government of India, in March 2011.
-Dr Tiwari is teaching both at the U.G. and P.G. levels, besides giving lecturers for M.D. (Hom.) students of various universities.
-He has been an examiner and paper setter for B.H.M.S., M.D., Ph.D. courses of various universities.
-A resource person for Teacher’s Orientation Training Course organized by Government of India, Dr Tiwari was also a visiting professor and Consultant Dean of Education, Dr Nielsen’s Homoeopathic Medical Education and Research, 185, Hendersen HWY, Winnipeg, Menitoba, Canada.
-Presently, Dr Tiwari is having his own clinic at Bejai, Mangalore, wherein he treats all kinds of acute and chronic diseases.