Culture and anti-biotic susceptibility testing are done according to Clinical Laboratory Standards Institute (CLSI) guidelines and American Society for Microbiology (ASM) guidelines. Culture for Tuberculosis and anti-tuberculosis susceptibility are done as per Revised National Tuberculosis Control Program (RNTCP) guidelines and American Thoracic Society(ATS). Water testing done according to BIS (Bureau of Indian Standards). OT Sterility Testing and recommendations are made according to Association of Personnel of Infection control (APIC)