Cancer is defined as the uncontrollable growth of cells that invade and cause damage to surrounding tissues. Oral cancer appears to be a growth or a pain in the mouth that doesn't go away. Oral cancer, including lip, tongue, cheek, mouth floor, hard and soft palate, sinuses, and pharynx (throat), can be lifethreatening if not diagnosed and treated early. Cancer that occurs inside the mouth is sometimes referred to as oral cancer or oral cancer of the cavity. Mortal cancer is one of several types of cancer in a category called head and neck cancers. Mouth cancer and other cancers of the head and neck are often treated in the same way. This study was designed to create and assess awareness on oral cancer among employees of gas agencies in Tiruppur district. A self administered questionnaire prepared and circulated via google form link. The data was manipulated, analysed and tabulated. The obtained data was represented as cumulative percentage in pie charts. Association analysis between age groups of the participants and awareness on oral cancer was done by Pearson Chi square test (SPSS version 22) and the data was depicted in a Bar graph. The results of the study revealed that the participants were aware that smoking, chewing tobacco, and pan leads to increased chance of oral cancer. The present study concludes that the people of Tirupur were aware of the incidence of oral cancer and risk factors associated with it.