Diabetes insipidus (DI) is well known entity, in which patient present with increased urinary frequency, increased thirst. Such symptoms may last for days to months before patient presents to doctor. Diabetes insipidus may be secondary pituitary tuberculosis, sub arachnoid hemorrhage, sarcoidosis or any other etiology. Usually diabetes insipidus secondary to some other reason last for few years. DI cases have been resolved after using desmopressin nasal spray for around 3 years, secondary to some reason in many studies. We present you a case of diabetes insipidus in a 27 year male patient post abdominal tuberculosis lasting and even continuing after 9 years of taking complete course of antitubercular treatment.