Discovery of a potential anticancer therapy is still a challenge to the scientists. Though many different kinds of therapies are developed none of them has lived up to the task to cure cancer completely. Cancer vaccines are found to be the latest discovery in the field of cancer. Although there are number of vaccines undergoing preclinical & clinical trials which are promising to be an effective anticancer therapy. Novel vaccines produce specific immune responses and objective clinical responses with minimal toxicity in phase I/II trials. Advances in gene transfer technology, tumor immunology...