To the best of our knowledge psychogenic polydipsia has not been reported in an Indian journal. We are reporting one such case, which was diagnosed as having depression according to ICD 10 R criteria. Fully investigated patient had some reversible changes in the urinary tract. There was no antidiuretic hormone-related abnormality as indicated by absence of hyponatremia. The patient recovered with antidepressant drugs. The followup was done for 6 months.