Laryngeal carcinomas accounts for approxi-mately 1.7 percent of all newly diagnosed cancer which is 25 percent of head and neck malignancies and among that ,90 percent is squamous cell carcinoma.The majority of laryngeal carcinomas are squamous cell carci-noma. Cancer of the larynx is most often found in males over the age of 50. It is often associated with heavy tobacco and alcohol use . The most common treatment options for laryngeal cancer patients are radiothera-py, surgery and chemotherapy.  In this article, we present a case of second primary carcinoma glottis (Left vocal cord) who presented to us following radiotherapy 15years back for carcinoma glottis (Right vo-cal cord). Our discussion is mainly towards radiotherapy itself being a cause for this sec-ond primary.