MDR TB or multi-drug resistant TB is a form of Tuberculosis that is not treatable by first line drugs commonly used for the treatment of Tuberculosis. While this term seems to be fairly commonhere is what you need to know about the dreaded form of the disease. India is the world's capital of TB: Every year around 440000 new cases of MDR-TB emerge resulting in 150000 deaths. India had an estimated 63000 notified cases in 2010 the highest in the South East Asia region. Not taking medication is the leading cause of the disease: According to Dr Animesh Arya Senior