1. World Health Organization (WHO) website. Global Tuberculosis Report, 2013. Geneva, Switzerland. Available: http://www.who.int/tb/publications/global_report/en/. Accessed 2014 May 15.
2. World Health Organization (WHO) website. World TB Day 2013. Geneva, Switzerland. Available: http://www.searo.who.int/india/topics/tuberculosis/tbday_2013/en/. Accessed 2014 May 20.
3. Agarwal S, Chauhan L (2005) Tuberculosis control in India: Directorate General of Health Services, Ministry of Health and Family Welfare, Govt. of India.
4. Tuberculosis Control (TBC) website. Director General of Health Services, Ministry of Health and Family Welfare, Govt. of India. Available: http://www.tbcindia.nic.in/. Accessed 2014 May 22.
5. Controlling tuberculosis in India;GR Khatri;N Engl J Med,2002