The most common test is used for HIV is antibody screening test. HIV test is mandatory for us to protect our health .The test use for identification of HIV antibodies in blood, urine, or fluids from the mouth. HIV anti bodies are disease fighting –proteins the body produces response to HIV disease. Once a person is attacked with HIV, it normally takes about 3 months for the body to produce enough antibodies to be detected by an HIV antibody test. (For some people, it can take up to 6 months.) Some testes easily detect the HIV antibodies. Western blot test also used for the identification of HIV.