Background:Thyroid function has been suggested to have a relationship with kidney function and chronic kidney disease. Present study was aimed to study renal function tests in patients with hypothyroidism attending a tertiary care hospital. Materials and Methods: Present study was hospital based, case-control study, conducted in Cases (Patients 21-60 years, of either sex, newly diagnosed cases of hypothyroidism, attending the medicine outpatient department, willing to participate) & controls (healthy age-matched subjects).