Formerly: Professor, Department of Medicine, KGMU, Lucknow.
Founder and HOD, Department of Hematology, KGMU, Lucknow.
Director, Dr. Ram Manohar Lohia University of Medical Sciences, Lucknow.
Visiting Scientist, National Institutes of Health USA: 1989-1991.
Visiting fellow. Oxford Hemophilia Center. Oxford, UK: 2002.
Presently: HOD, Department of Medicine, Hind Medical College, Barabanki.
Specialization: Human Medicine, Hematology.