Breast tuberculosis is an uncommon form of entity especially in the infraâmammary area. A 25â yearâold female, presented with a lump in the breast and infraâmammary area. She was having off and on fever without any other complaints. There was no positive family history. Primary breast tuberculosis was diagnosed on fine needle aspiration cytology wherein ZN stain for acid fast bacilli was positive. The patient received antitubercular drugs and at 3 month follow up the swelling had resolved and the patient was asymptomatic. Breast tuberculosis is a rare disease with nonâspecific clinical, radiological, and histological findings. Misdiagnosis is common as biopsy specimens are pauciâbacillary and investigations such as microscopy and culture are frequently negative.