Leptospirosis is a zoonotic disease with worldwide distribution. There is paucity of data about prevalence of this disease in North India. Thus, this studywas undertaken to estimate the seroprevalence of leptospirosis in our region. A total of 3179 blood samples frompatients suspected of leptospirosis were subjected to Ig MELISA (Pan Bio). The seroprevalence of leptospirosis in our area was found to be 20.7%.