HIV-AIDS is a chronic disease caused by the human immunodeficiency virus (HIV). HIV virus damages human immune system, which results weakness of immune system and loss ability to fight with organism that causes disease. HIV-AIDS most often spread through unprotected sex with HIV infected person. In addition, HIV-AIDS can also be spread from infected mother to child during pregnancy, infected blood and sharing needles with someone who has HIV-AIDS. Some of the symptoms of HIV include slight fever, swollen glands, muscle aches, headaches and fatigue. HIV-AIDS has no cure but there are treatments which help to reduce AIDS deaths. HIV-AIDS can be treated by nucleoside/ nucleotide reverse transcriptase inhibitor, integrase inhibitor, HIV-1 protease inhibitor, non-nucleoside reverse transcriptase inhibitor, pharmacokinetic enhancer and entry inhibitor. Some of the drugs for HIV -AIDS treatment include atripla, epzicom, prezista, truvada, kaletra, isentress, reyataz and viread. HIV testing and diagnostics include early detection, treatment swatching, On the basis of diagnosis HIV-AIDS market can be classified into HIV antibody assay, western blot, antigen-antibody immunoassay, HIV home-testing kit, rapid HIV antibody test, polymerase chain reaction test and HIV p24 antigen test.