Tuberculosis (TB) still remains a global health problem affecting one third of world population. Early diagnosis of TB is very important for therapeutic reasons and to control the spread of infection. For developing countries with a large number of cases and financial constraints, evaluation of rapid and inexpensive diagnostic methods has a great importance. | A comparative study of auramine staining using light emitting diode LED fluorescent microscopy with ziehl-neelsen staining for detection of acid fast bacilli in sputum in a tertiary care hospital Karimnagar